Remove autoconf dependency on vfs and dk:
opendisk() -> kern/subr_disk_open.c config_handle_wedges -> dev/dkwedge/dk.c
This commit is contained in:
pooka
parent
d7f624cfd8
commit
f926eb58c3
@ -1,4 +1,4 @@
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# $NetBSD: files,v 1.953 2009/08/14 21:17:21 mbalmer Exp $
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# $NetBSD: files,v 1.954 2009/09/06 16:18:56 pooka Exp $
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# @(#)files.newconf 7.5 (Berkeley) 5/10/93
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version 20090313
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@ -1466,6 +1466,7 @@ file kern/subr_callback.c
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file kern/subr_debug.c debug
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file kern/subr_devsw.c
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file kern/subr_disk.c
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file kern/subr_disk_open.c
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file kern/subr_iostat.c
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file kern/subr_evcnt.c
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file kern/subr_exec_fd.c
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@ -1,4 +1,4 @@
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/* $NetBSD: dk.c,v 1.48 2009/08/06 16:00:49 haad Exp $ */
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/* $NetBSD: dk.c,v 1.49 2009/09/06 16:18:55 pooka Exp $ */
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/*-
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* Copyright (c) 2004, 2005, 2006, 2007 The NetBSD Foundation, Inc.
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@ -30,7 +30,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.48 2009/08/06 16:00:49 haad Exp $");
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__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.49 2009/09/06 16:18:55 pooka Exp $");
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#include "opt_dkwedge.h"
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@ -1426,3 +1426,70 @@ out:
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return rv;
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}
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/*
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* config glue
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*/
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int
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config_handle_wedges(struct device *dv, int par)
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{
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struct dkwedge_list wl;
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struct dkwedge_info *wi;
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struct vnode *vn;
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char diskname[16];
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int i, error;
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if ((vn = opendisk(dv)) == NULL)
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return -1;
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wl.dkwl_bufsize = sizeof(*wi) * 16;
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wl.dkwl_buf = wi = malloc(wl.dkwl_bufsize, M_TEMP, M_WAITOK);
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error = VOP_IOCTL(vn, DIOCLWEDGES, &wl, FREAD, NOCRED);
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VOP_CLOSE(vn, FREAD, NOCRED);
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vput(vn);
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if (error) {
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#ifdef DEBUG_WEDGE
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printf("%s: List wedges returned %d\n",
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device_xname(dv), error);
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#endif
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free(wi, M_TEMP);
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return -1;
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}
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#ifdef DEBUG_WEDGE
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printf("%s: Returned %u(%u) wedges\n", device_xname(dv),
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wl.dkwl_nwedges, wl.dkwl_ncopied);
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#endif
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snprintf(diskname, sizeof(diskname), "%s%c", device_xname(dv),
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par + 'a');
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for (i = 0; i < wl.dkwl_ncopied; i++) {
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#ifdef DEBUG_WEDGE
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printf("%s: Looking for %s in %s\n",
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device_xname(dv), diskname, wi[i].dkw_wname);
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#endif
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if (strcmp(wi[i].dkw_wname, diskname) == 0)
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break;
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}
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if (i == wl.dkwl_ncopied) {
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#ifdef DEBUG_WEDGE
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printf("%s: Cannot find wedge with parent %s\n",
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device_xname(dv), diskname);
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#endif
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free(wi, M_TEMP);
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return -1;
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}
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#ifdef DEBUG_WEDGE
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printf("%s: Setting boot wedge %s (%s) at %llu %llu\n",
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device_xname(dv), wi[i].dkw_devname, wi[i].dkw_wname,
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(unsigned long long)wi[i].dkw_offset,
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(unsigned long long)wi[i].dkw_size);
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#endif
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dkwedge_set_bootwedge(dv, wi[i].dkw_offset, wi[i].dkw_size);
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free(wi, M_TEMP);
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return 0;
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: subr_autoconf.c,v 1.180 2009/09/03 15:20:08 pooka Exp $ */
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/* $NetBSD: subr_autoconf.c,v 1.181 2009/09/06 16:18:56 pooka Exp $ */
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/*
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* Copyright (c) 1996, 2000 Christopher G. Demetriou
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@ -77,7 +77,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: subr_autoconf.c,v 1.180 2009/09/03 15:20:08 pooka Exp $");
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__KERNEL_RCSID(0, "$NetBSD: subr_autoconf.c,v 1.181 2009/09/06 16:18:56 pooka Exp $");
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#ifdef _KERNEL_OPT
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#include "opt_ddb.h"
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@ -225,112 +225,6 @@ static int config_initialized; /* config_init() has been called. */
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static int config_do_twiddle;
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static callout_t config_twiddle_ch;
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struct vnode *
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opendisk(struct device *dv)
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{
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int bmajor, bminor;
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struct vnode *tmpvn;
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int error;
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dev_t dev;
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/*
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* Lookup major number for disk block device.
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*/
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bmajor = devsw_name2blk(device_xname(dv), NULL, 0);
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if (bmajor == -1)
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return NULL;
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bminor = minor(device_unit(dv));
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/*
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* Fake a temporary vnode for the disk, open it, and read
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* and hash the sectors.
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*/
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dev = device_is_a(dv, "dk") ? makedev(bmajor, bminor) :
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MAKEDISKDEV(bmajor, bminor, RAW_PART);
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if (bdevvp(dev, &tmpvn))
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panic("%s: can't alloc vnode for %s", __func__,
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device_xname(dv));
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error = VOP_OPEN(tmpvn, FREAD, NOCRED);
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if (error) {
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#ifndef DEBUG
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/*
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* Ignore errors caused by missing device, partition,
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* or medium.
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*/
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if (error != ENXIO && error != ENODEV)
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#endif
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printf("%s: can't open dev %s (%d)\n",
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__func__, device_xname(dv), error);
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vput(tmpvn);
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return NULL;
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}
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return tmpvn;
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}
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int
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config_handle_wedges(struct device *dv, int par)
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{
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struct dkwedge_list wl;
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struct dkwedge_info *wi;
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struct vnode *vn;
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char diskname[16];
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int i, error;
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if ((vn = opendisk(dv)) == NULL)
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return -1;
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wl.dkwl_bufsize = sizeof(*wi) * 16;
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wl.dkwl_buf = wi = malloc(wl.dkwl_bufsize, M_TEMP, M_WAITOK);
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error = VOP_IOCTL(vn, DIOCLWEDGES, &wl, FREAD, NOCRED);
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VOP_CLOSE(vn, FREAD, NOCRED);
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vput(vn);
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if (error) {
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#ifdef DEBUG_WEDGE
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printf("%s: List wedges returned %d\n",
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device_xname(dv), error);
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#endif
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free(wi, M_TEMP);
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return -1;
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}
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#ifdef DEBUG_WEDGE
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printf("%s: Returned %u(%u) wedges\n", device_xname(dv),
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wl.dkwl_nwedges, wl.dkwl_ncopied);
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#endif
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snprintf(diskname, sizeof(diskname), "%s%c", device_xname(dv),
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par + 'a');
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for (i = 0; i < wl.dkwl_ncopied; i++) {
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#ifdef DEBUG_WEDGE
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printf("%s: Looking for %s in %s\n",
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device_xname(dv), diskname, wi[i].dkw_wname);
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#endif
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if (strcmp(wi[i].dkw_wname, diskname) == 0)
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break;
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}
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if (i == wl.dkwl_ncopied) {
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#ifdef DEBUG_WEDGE
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printf("%s: Cannot find wedge with parent %s\n",
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device_xname(dv), diskname);
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#endif
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free(wi, M_TEMP);
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return -1;
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}
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#ifdef DEBUG_WEDGE
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printf("%s: Setting boot wedge %s (%s) at %llu %llu\n",
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device_xname(dv), wi[i].dkw_devname, wi[i].dkw_wname,
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(unsigned long long)wi[i].dkw_offset,
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(unsigned long long)wi[i].dkw_size);
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#endif
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dkwedge_set_bootwedge(dv, wi[i].dkw_offset, wi[i].dkw_size);
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free(wi, M_TEMP);
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return 0;
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}
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/*
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* Initialize the autoconfiguration data structures. Normally this
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* is done by configure(), but some platforms need to do this very
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82
sys/kern/subr_disk_open.c
Normal file
82
sys/kern/subr_disk_open.c
Normal file
@ -0,0 +1,82 @@
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/* $NetBSD: subr_disk_open.c,v 1.1 2009/09/06 16:18:56 pooka Exp $ */
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/*-
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* Copyright (c) 2006 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: subr_disk_open.c,v 1.1 2009/09/06 16:18:56 pooka Exp $");
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/disk.h>
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#include <sys/disklabel.h>
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#include <sys/fcntl.h>
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#include <sys/kauth.h>
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#include <sys/vnode.h>
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struct vnode *
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opendisk(struct device *dv)
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{
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int bmajor, bminor;
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struct vnode *tmpvn;
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int error;
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dev_t dev;
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/*
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* Lookup major number for disk block device.
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*/
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bmajor = devsw_name2blk(device_xname(dv), NULL, 0);
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if (bmajor == -1)
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return NULL;
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bminor = minor(device_unit(dv));
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/*
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* Fake a temporary vnode for the disk, open it, and read
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* and hash the sectors.
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*/
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dev = device_is_a(dv, "dk") ? makedev(bmajor, bminor) :
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MAKEDISKDEV(bmajor, bminor, RAW_PART);
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if (bdevvp(dev, &tmpvn))
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panic("%s: can't alloc vnode for %s", __func__,
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device_xname(dv));
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error = VOP_OPEN(tmpvn, FREAD, NOCRED);
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if (error) {
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#ifndef DEBUG
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/*
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* Ignore errors caused by missing device, partition,
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* or medium.
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*/
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if (error != ENXIO && error != ENODEV)
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#endif
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printf("%s: can't open dev %s (%d)\n",
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__func__, device_xname(dv), error);
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vput(tmpvn);
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return NULL;
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}
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return tmpvn;
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}
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