int
dm_get_config_events(
void *hanp,
size_t hlen,
u_int nelem,
dm_eventset_t *eventsetp,
u_int *nelemp)
{
dm_fsys_vector_t *fsys_vector;
dm_tokdata_t *tdp;
int error;
/* Convert the handle into a vnode. */
if ((error = dm_get_config_tdp(hanp, hlen, &tdp)) != 0)
return(error);
/* Now call the filesystem-specific routine to determine the
events supported by that filesystem.
*/
VN_BHV_READ_LOCK(VN_BHV_HEAD(tdp->td_vp));
fsys_vector = dm_fsys_vector(tdp->td_vp);
error = fsys_vector->get_config_events(tdp->td_vp, tdp->td_right,
nelem, eventsetp, nelemp);
VN_BHV_READ_UNLOCK(VN_BHV_HEAD(tdp->td_vp));
dm_app_put_tdp(tdp);
return(error);
}
int
dm_symlink_by_handle(
dm_sessid_t sid,
void *dirhanp,
size_t dirhlen,
dm_token_t token,
void *hanp,
size_t hlen,
char *cname,
char *path)
{
dm_fsys_vector_t *fsys_vector;
dm_tokdata_t *tdp;
int error;
error = dm_app_get_tdp(sid, dirhanp, dirhlen, token, DM_TDT_DIR,
DM_RIGHT_EXCL, &tdp);
if (error != 0)
return(error);
fsys_vector = dm_fsys_vector(tdp->td_bdp);
error = fsys_vector->symlink_by_handle(tdp->td_bdp, tdp->td_right,
hanp, hlen, cname, path);
dm_app_put_tdp(tdp);
return(error);
}
int
dm_set_region(
dm_sessid_t sid,
void *hanp,
size_t hlen,
dm_token_t token,
u_int nelem,
dm_region_t *regbufp,
dm_boolean_t *exactflagp)
{
dm_fsys_vector_t *fsys_vector;
dm_tokdata_t *tdp;
int error;
error = dm_app_get_tdp(sid, hanp, hlen, token, DM_TDT_REG,
DM_RIGHT_EXCL, &tdp);
if (error != 0)
return(error);
VN_BHV_READ_LOCK(VN_BHV_HEAD(tdp->td_vp));
fsys_vector = dm_fsys_vector(tdp->td_vp);
error = fsys_vector->set_region(tdp->td_vp, tdp->td_right,
nelem, regbufp, exactflagp);
VN_BHV_READ_UNLOCK(VN_BHV_HEAD(tdp->td_vp));
dm_app_put_tdp(tdp);
return(error);
}
int
dm_get_config(
void *hanp,
size_t hlen,
dm_config_t flagname,
dm_size_t *retvalp)
{
dm_fsys_vector_t *fsys_vector;
dm_tokdata_t *tdp;
dm_size_t retval;
int system = 1;
int error;
/* Trap and process configuration parameters which are system-wide. */
switch (flagname) {
case DM_CONFIG_LEGACY:
case DM_CONFIG_PENDING:
case DM_CONFIG_OBJ_REF:
retval = DM_TRUE;
break;
case DM_CONFIG_MAX_MESSAGE_DATA:
retval = DM_MAX_MSG_DATA;
break;
default:
system = 0;
break;
}
if (system) {
#ifdef __sgi
if (copyout(&retval, retvalp, sizeof(retval)))
return(EFAULT);
#else
if (copy_to_user(retvalp, &retval, sizeof(retval)))
return(EFAULT);
#endif
return(0);
}
/* Must be filesystem-specific. Convert the handle into a vnode. */
if ((error = dm_get_config_tdp(hanp, hlen, &tdp)) != 0)
return(error);
/* Now call the filesystem-specific routine to determine the
value of the configuration option for that filesystem.
*/
fsys_vector = dm_fsys_vector(tdp->td_bdp);
error = fsys_vector->get_config(tdp->td_bdp, tdp->td_right,
flagname, retvalp);
dm_app_put_tdp(tdp);
return(error);
}
int
dm_get_eventlist(
dm_sessid_t sid,
void *hanp,
size_t hlen,
dm_token_t token,
u_int nelem,
dm_eventset_t *eventsetp,
u_int *nelemp)
{
dm_fsys_vector_t *fsys_vector;
dm_tokdata_t *tdp;
dm_eventset_t eventset;
u_int elem;
int error;
if (nelem == 0)
return(EINVAL);
/* Access the specified object. */
error = dm_app_get_tdp(sid, hanp, hlen, token, DM_TDT_ANY,
DM_RIGHT_SHARED, &tdp);
if (error != 0)
return(error);
/* Get the object's event list. */
fsys_vector = dm_fsys_vector(tdp->td_bdp);
error = fsys_vector->get_eventlist(tdp->td_bdp, tdp->td_right,
(tdp->td_type == DM_TDT_VFS ? DM_FSYS_OBJ : 0),
nelem, &eventset, &elem);
dm_app_put_tdp(tdp);
if (error)
return(error);
if (copy_to_user(eventsetp, &eventset, sizeof(eventset)))
return(EFAULT);
if (put_user(nelem, nelemp))
return(EFAULT);
return(0);
}
int
dm_set_eventlist(
dm_sessid_t sid,
void *hanp,
size_t hlen,
dm_token_t token,
dm_eventset_t *eventsetp,
u_int maxevent)
{
dm_fsys_vector_t *fsys_vector;
dm_eventset_t eventset;
dm_tokdata_t *tdp;
int error;
if (copy_from_user(&eventset, eventsetp, sizeof(eventset)))
return(EFAULT);
/* Do some minor sanity checking. */
if (maxevent == 0 || maxevent > DM_EVENT_MAX)
return(EINVAL);
/* Access the specified object. */
error = dm_app_get_tdp(sid, hanp, hlen, token, DM_TDT_ANY,
DM_RIGHT_EXCL, &tdp);
if (error != 0)
return(error);
fsys_vector = dm_fsys_vector(tdp->td_bdp);
error = fsys_vector->set_eventlist(tdp->td_bdp, tdp->td_right,
(tdp->td_type == DM_TDT_VFS ? DM_FSYS_OBJ : 0),
&eventset, maxevent);
dm_app_put_tdp(tdp);
return(error);
}
