bee13a2ab0
error: variable 'fd' set but not used Approved by: dim, cperciva (mentor, blanket for pre-mentorship already-approved commits) MFC after: 3 days
345 lines
9.1 KiB
C
345 lines
9.1 KiB
C
/*
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* $FreeBSD$
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*
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* Copyright (c) 1995
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* Jordan Hubbard. 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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* verbatim and that no modifications are made prior to this
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* point in the file.
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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 JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/fcntl.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <ctype.h>
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#include <libdisk.h>
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#include "sade.h"
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/* how much to bias minor number for a given /dev/<ct#><un#>s<s#> slice */
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#define SLICE_DELTA (0x10000)
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static Device *Devices[DEV_MAX];
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static int numDevs;
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#define DEVICE_ENTRY(type, name, descr, max) { type, name, descr, max }
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#define DISK(name, descr, max) \
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DEVICE_ENTRY(DEVICE_TYPE_DISK, name, descr, max)
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static struct _devname {
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DeviceType type;
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char *name;
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char *description;
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int max;
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} device_names[] = {
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DISK("da%d", "SCSI disk device", 16),
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DISK("ad%d", "ATA/IDE disk device", 16),
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DISK("ar%d", "ATA/IDE RAID device", 16),
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DISK("afd%d", "ATAPI/IDE floppy device", 4),
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DISK("mlxd%d", "Mylex RAID disk", 4),
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DISK("amrd%d", "AMI MegaRAID drive", 4),
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DISK("idad%d", "Compaq RAID array", 4),
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DISK("twed%d", "3ware ATA RAID array", 4),
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DISK("aacd%d", "Adaptec FSA RAID array", 4),
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DISK("ipsd%d", "IBM ServeRAID RAID array", 4),
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DISK("mfid%d", "LSI MegaRAID SAS array", 4),
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{ 0, NULL, NULL, 0 },
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};
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Device *
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new_device(char *name)
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{
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Device *dev;
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dev = safe_malloc(sizeof(Device));
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bzero(dev, sizeof(Device));
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if (name)
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SAFE_STRCPY(dev->name, name);
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return dev;
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}
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/* Stubs for unimplemented strategy routines */
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Boolean
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dummyInit(Device *dev)
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{
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return TRUE;
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}
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FILE *
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dummyGet(Device *dev, char *dist, Boolean probe)
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{
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return NULL;
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}
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void
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dummyShutdown(Device *dev)
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{
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return;
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}
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static int
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deviceTry(struct _devname dev, char *try, int i)
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{
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int fd;
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char unit[80];
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snprintf(unit, sizeof unit, dev.name, i);
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snprintf(try, FILENAME_MAX, "/dev/%s", unit);
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if (isDebug())
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msgDebug("deviceTry: attempting to open %s\n", try);
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fd = open(try, O_RDONLY);
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if (fd >= 0) {
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if (isDebug())
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msgDebug("deviceTry: open of %s succeeded.\n", try);
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}
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return fd;
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}
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/* Register a new device in the devices array */
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Device *
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deviceRegister(char *name, char *desc, char *devname, DeviceType type,
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Boolean (*init)(Device *), FILE * (*get)(Device *, char *, Boolean),
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void (*shutdown)(Device *), void *private)
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{
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Device *newdev = NULL;
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if (numDevs == DEV_MAX)
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msgFatal("Too many devices found!");
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else {
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newdev = new_device(name);
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newdev->description = desc;
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newdev->devname = devname;
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newdev->type = type;
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newdev->init = init ? init : dummyInit;
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newdev->get = get ? get : dummyGet;
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newdev->shutdown = shutdown ? shutdown : dummyShutdown;
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newdev->private = private;
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Devices[numDevs] = newdev;
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Devices[++numDevs] = NULL;
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}
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return newdev;
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}
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/* Reset the registered device chain */
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void
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deviceReset(void)
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{
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int i;
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for (i = 0; i < numDevs; i++) {
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DEVICE_SHUTDOWN(Devices[i]);
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/* XXX this potentially leaks Devices[i]->private if it's being
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* used to point to something dynamic, but you're not supposed
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* to call this routine at such times that some open instance
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* has its private ptr pointing somewhere anyway. XXX
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*/
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free(Devices[i]);
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}
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Devices[numDevs = 0] = NULL;
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}
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/* Get all device information for devices we have attached */
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void
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deviceGetAll(void)
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{
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int i, j;
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char **names;
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msgNotify("Probing devices, please wait (this can take a while)...");
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/* Next, try to find all the types of devices one might need
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* during the second stage of the installation.
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*/
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for (i = 0; device_names[i].name; i++) {
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for (j = 0; j < device_names[i].max; j++) {
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char try[FILENAME_MAX];
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switch(device_names[i].type) {
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case DEVICE_TYPE_DISK:
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deviceTry(device_names[i], try, j);
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break;
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default:
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break;
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}
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}
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}
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/* Finally, go get the disks and look for DOS partitions to register */
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if ((names = Disk_Names()) != NULL) {
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int i;
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for (i = 0; names[i]; i++) {
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Disk *d;
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/* Ignore memory disks */
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if (!strncmp(names[i], "md", 2))
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continue;
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/*
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* XXX
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* Due to unknown reasons, Disk_Names() returns SCSI CDROM as a
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* valid disk. This is main reason why sysinstall presents SCSI
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* CDROM to available disks in Fdisk/Label menu. In addition,
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* adding a blank SCSI CDROM to the menu generates floating point
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* exception in sparc64. Disk_Names() just extracts sysctl
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* "kern.disks". Why GEOM treats SCSI CDROM as a disk is beyond
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* me and that should be investigated.
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* For temporary workaround, ignore SCSI CDROM device.
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*/
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if (!strncmp(names[i], "cd", 2))
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continue;
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d = Open_Disk(names[i]);
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if (!d) {
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msgDebug("Unable to open disk %s\n", names[i]);
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continue;
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}
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deviceRegister(names[i], names[i], d->name, DEVICE_TYPE_DISK,
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dummyInit, dummyGet, dummyShutdown, d);
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if (isDebug())
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msgDebug("Found a disk device named %s\n", names[i]);
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#if 0
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/* Look for existing DOS partitions to register as "DOS media devices" */
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for (c1 = d->chunks->part; c1; c1 = c1->next) {
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if (c1->type == fat || c1->type == efi || c1->type == extended) {
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Device *dev;
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char devname[80];
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/* Got one! */
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snprintf(devname, sizeof devname, "/dev/%s", c1->name);
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dev = deviceRegister(c1->name, c1->name, strdup(devname), DEVICE_TYPE_DOS,
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mediaInitDOS, mediaGetDOS, mediaShutdownDOS, NULL);
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dev->private = c1;
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if (isDebug())
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msgDebug("Found a DOS partition %s on drive %s\n", c1->name, d->name);
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}
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}
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#endif
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}
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free(names);
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}
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dlg_clear();
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}
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/* Rescan all devices, after closing previous set - convenience function */
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void
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deviceRescan(void)
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{
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deviceReset();
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deviceGetAll();
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}
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/*
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* Find all devices that match the criteria, allowing "wildcarding" as well
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* by allowing NULL or ANY values to match all. The array returned is static
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* and may be used until the next invocation of deviceFind().
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*/
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Device **
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deviceFind(char *name, DeviceType class)
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{
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static Device *found[DEV_MAX];
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int i, j;
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j = 0;
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for (i = 0; i < numDevs; i++) {
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if ((!name || !strcmp(Devices[i]->name, name))
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&& (class == DEVICE_TYPE_ANY || class == Devices[i]->type))
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found[j++] = Devices[i];
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}
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found[j] = NULL;
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return j ? found : NULL;
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}
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Device **
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deviceFindDescr(char *name, char *desc, DeviceType class)
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{
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static Device *found[DEV_MAX];
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int i, j;
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j = 0;
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for (i = 0; i < numDevs; i++) {
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if ((!name || !strcmp(Devices[i]->name, name)) &&
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(!desc || !strcmp(Devices[i]->description, desc)) &&
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(class == DEVICE_TYPE_ANY || class == Devices[i]->type))
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found[j++] = Devices[i];
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}
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found[j] = NULL;
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return j ? found : NULL;
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}
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int
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deviceCount(Device **devs)
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{
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int i;
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if (!devs)
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return 0;
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for (i = 0; devs[i]; i++);
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return i;
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}
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/*
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* Create a menu listing all the devices of a certain type in the system.
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* The passed-in menu is expected to be a "prototype" from which the new
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* menu is cloned.
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*/
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DMenu *
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deviceCreateMenu(DMenu *menu, DeviceType type, int (*hook)(dialogMenuItem *d))
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{
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Device **devs;
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int numdevs;
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DMenu *tmp = NULL;
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int i, j;
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devs = deviceFind(NULL, type);
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numdevs = deviceCount(devs);
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if (!numdevs)
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return NULL;
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tmp = (DMenu *)safe_malloc(sizeof(DMenu) + (sizeof(dialogMenuItem) * (numdevs + 1)));
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bcopy(menu, tmp, sizeof(DMenu));
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for (i = 0; devs[i]; i++) {
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tmp->items[i].prompt = devs[i]->name;
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for (j = 0; j < numDevs; j++) {
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if (devs[i] == Devices[j]) {
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tmp->items[i].title = Devices[j]->description;
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break;
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}
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}
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if (j == numDevs)
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tmp->items[i].title = "<unknown device type>";
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tmp->items[i].fire = hook;
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}
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tmp->items[i].title = NULL;
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return tmp;
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}
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