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vinumioctl: add ioctls for raw subdisks and plexes. Remove code for

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drives (we refuse to touch drives, that's the disk driver's business).
This commit is contained in:
Greg Lehey 1999-08-14 06:27:25 +00:00
parent 4fd49b9f73
commit 55eecd1064
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=49723
1 changed files with 57 additions and 10 deletions
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67
sys/dev/vinum/vinumioctl.c
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@ -69,6 +69,8 @@ vinumioctl(dev_t dev,
{
unsigned int objno;
int error = 0;
struct sd *sd;
struct plex *plex;
struct volume *vol;
unsigned int index; /* for transferring config info */
unsigned int sdno; /* for transferring config info */
@ -295,6 +297,7 @@ vinumioctl(dev_t dev,
/* FALLTHROUGH */
}
case VINUM_DRIVE_TYPE:
default:
log(LOG_WARNING,
"vinumioctl: invalid ioctl from process %d (%s): %lx\n",
@ -303,21 +306,60 @@ vinumioctl(dev_t dev,
cmd);
return EINVAL;
case VINUM_DRIVE_TYPE:
case VINUM_PLEX_TYPE:
return EAGAIN; /* try again next week */
case VINUM_SD_TYPE:
case VINUM_RAWSD_TYPE:
objno = Sdno(dev);
sd = &SD[objno];
switch (cmd) {
case VINUM_INITSD: /* initialize subdisk */
return initsd(objno);
case DIOCGDINFO: /* get disk label */
get_volume_label(sd->name, 1, sd->sectors, (struct disklabel *) data);
break;
/*
* We don't have this stuff on hardware,
* so just pretend to do it so that
* utilities don't get upset.
*/
case DIOCWDINFO: /* write partition info */
case DIOCSDINFO: /* set partition info */
return 0; /* not a titty */
default:
return EINVAL;
return ENOTTY; /* not my kind of ioctl */
}
break;
return 0; /* pretend we did it */
case VINUM_RAWPLEX_TYPE:
case VINUM_PLEX_TYPE:
objno = Plexno(dev);
plex = &PLEX[objno];
switch (cmd) {
case DIOCGDINFO: /* get disk label */
get_volume_label(plex->name, 1, plex->length, (struct disklabel *) data);
break;
/*
* We don't have this stuff on hardware,
* so just pretend to do it so that
* utilities don't get upset.
*/
case DIOCWDINFO: /* write partition info */
case DIOCSDINFO: /* set partition info */
return 0; /* not a titty */
default:
return ENOTTY; /* not my kind of ioctl */
}
return 0; /* pretend we did it */
case VINUM_VOLUME_TYPE:
objno = Volno(dev);
@ -330,16 +372,16 @@ vinumioctl(dev_t dev,
switch (cmd) {
case DIOCGDINFO: /* get disk label */
get_volume_label(vol, (struct disklabel *) data);
get_volume_label(vol->name, vol->plexes, vol->size, (struct disklabel *) data);
break;
/*
* Care! DIOCGPART returns *pointers* to
* the caller, so we need to store this crap as well.
* And yes, we need it.
* the caller, so we need to store this crap
* as well. And yes, we need it.
*/
case DIOCGPART: /* get partition information */
get_volume_label(vol, &vol->label);
get_volume_label(vol->name, vol->plexes, vol->size, &vol->label);
((struct partinfo *) data)->disklab = &vol->label;
((struct partinfo *) data)->part = &vol->label.d_partitions[0];
break;
@ -679,6 +721,7 @@ detachobject(struct vinum_ioctl_msg *msg)
&vol->plex[plexno],
(vol->plexes - 1 - plexno) * sizeof(int));
vol->plexes--;
vol->last_plex_read = 0; /* don't go beyond the end */
if (!bcmp(vol->name, plex->name, strlen(vol->name))) { /* this plex is named after the volume */
/* First, check if the subdisks are the same */
if (msg->recurse) {
@ -798,3 +841,7 @@ replaceobject(struct vinum_ioctl_msg *msg)
strcpy(reply->msg, "replace not implemented yet");
/* save_config (); */
}
/* Local Variables: */
/* fill-column: 50 */
/* End: */