struct drive *
find_drive_by_devname(char *name)
{
int driveno;
char *devpath;
struct drive *drivep = NULL;
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
perror("Can't get vinum config");
return NULL;
}
devpath = getdevpath(name, 0);
for (driveno = 0; driveno < vinum_conf.drives_allocated; driveno++) {
get_drive_info(&drive, driveno);
if (drive.state == drive_unallocated)
continue;
if (strcmp(drive.devicename, name) == 0) {
drivep = &drive;
break;
}
if (strcmp(drive.devicename, devpath) == 0) {
drivep = &drive;
break;
}
}
free(devpath);
return (drivep);
}
/*
* Find the object "name". Return object type at type,
* and the index as the return value.
* If not found, return -1 and invalid_object.
*/
int
find_object(const char *name, enum objecttype *type)
{
int object;
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
perror("Can't get vinum config");
*type = invalid_object;
return -1;
}
/* Search the drive table */
for (object = 0; object < vinum_conf.drives_allocated; object++) {
get_drive_info(&drive, object);
if (strcmp(name, drive.label.name) == 0) {
*type = drive_object;
return object;
}
}
/* Search the subdisk table */
for (object = 0; object < vinum_conf.subdisks_allocated; object++) {
get_sd_info(&sd, object);
if (strcmp(name, sd.name) == 0) {
*type = sd_object;
return object;
}
}
/* Search the plex table */
for (object = 0; object < vinum_conf.plexes_allocated; object++) {
get_plex_info(&plex, object);
if (strcmp(name, plex.name) == 0) {
*type = plex_object;
return object;
}
}
/* Search the volume table */
for (object = 0; object < vinum_conf.volumes_allocated; object++) {
get_volume_info(&vol, object);
if (strcmp(name, vol.name) == 0) {
*type = volume_object;
return object;
}
}
/* Didn't find the name: invalid */
*type = invalid_object;
return -1;
}
static int getDriveInfo(int biosdev, struct driveInfo *dip)
{
static struct driveInfo cached_di;
int cc;
// Real BIOS devices are 8-bit, so anything above that is for internal use.
// Don't cache ramdisk drive info since it doesn't require several BIOS
// calls and is thus not worth it.
if (biosdev >= 0x100)
{
#if RAMDISK_SUPPORT
if (p_get_ramdisk_info != NULL)
{
cc = (*p_get_ramdisk_info)(biosdev, dip);
}
else
{
cc = -1;
}
#else
cc = -1;
#endif
if (cc < 0)
{
dip->valid = 0;
return -1;
}
else
{
return 0;
}
}
if (!cached_di.valid || biosdev != cached_di.biosdev)
{
cc = get_drive_info(biosdev, &cached_di);
if (cc < 0)
{
cached_di.valid = 0;
_DISK_DEBUG_DUMP(("get_drive_info returned error\n"));
return (-1); // BIOS call error
}
}
bcopy(&cached_di, dip, sizeof(cached_di));
return 0;
}
static int getDriveInfo( int biosdev, struct driveInfo *dip )
{
static struct driveInfo cached_di;
int cc;
if ( !cached_di.valid || biosdev != cached_di.biosdev )
{
cc = get_drive_info(biosdev, &cached_di);
if (cc < 0) {
cached_di.valid = 0;
return (-1); // BIOS call error
}
}
bcopy(&cached_di, dip, sizeof(cached_di));
return 0;
}
/*
* Create the device nodes for vinum objects
*
* XXX - Obsolete, vinum kernel module now creates is own devices.
*/
void
make_devices(void)
{
#if 0
int volno;
int plexno;
int sdno;
int driveno;
#endif
if (hist) {
timestamp();
fprintf(hist, "*** Created devices ***\n");
}
#if 0
system("rm -rf " VINUM_DIR); /* remove the old directories */
system("mkdir -p " VINUM_DIR "/drive " /* and make them again */
VINUM_DIR "/plex "
VINUM_DIR "/sd "
VINUM_DIR "/vol");
if (mknod(VINUM_SUPERDEV_NAME,
S_IRUSR | S_IWUSR | S_IFCHR, /* user only */
makedev(VINUM_CDEV_MAJOR, VINUM_SUPERDEV)) < 0)
fprintf(stderr, "Can't create %s: %s\n", VINUM_SUPERDEV_NAME, strerror(errno));
if (mknod(VINUM_WRONGSUPERDEV_NAME,
S_IRUSR | S_IWUSR | S_IFCHR, /* user only */
makedev(VINUM_CDEV_MAJOR, VINUM_WRONGSUPERDEV)) < 0)
fprintf(stderr, "Can't create %s: %s\n", VINUM_WRONGSUPERDEV_NAME, strerror(errno));
superdev = open(VINUM_SUPERDEV_NAME, O_RDWR); /* open the super device */
if (mknod(VINUM_DAEMON_DEV_NAME, /* daemon super device */
S_IRUSR | S_IWUSR | S_IFCHR, /* user only */
makedev(VINUM_CDEV_MAJOR, VINUM_DAEMON_DEV)) < 0)
fprintf(stderr, "Can't create %s: %s\n", VINUM_DAEMON_DEV_NAME, strerror(errno));
#endif
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
perror("Can't get vinum config");
return;
}
#if 0
for (volno = 0; volno < vinum_conf.volumes_allocated; volno++)
make_vol_dev(volno, 0);
for (plexno = 0; plexno < vinum_conf.plexes_allocated; plexno++)
make_plex_dev(plexno, 0);
for (sdno = 0; sdno < vinum_conf.subdisks_allocated; sdno++)
make_sd_dev(sdno);
/* Drives. Do this later (both logical and physical names) XXX */
for (driveno = 0; driveno < vinum_conf.drives_allocated; driveno++) {
char filename[PATH_MAX]; /* for forming file names */
get_drive_info(&drive, driveno);
if (drive.state > drive_referenced) {
sprintf(filename, "ln -s %s " VINUM_DIR "/drive/%s", drive.devicename, drive.label.name);
system(filename);
}
}
#endif
}