/*
* Rename selected devices old name is in struct dm_ioctl.
* newname is taken from dictionary
*
* <key>cmd_data</key>
* <array>
* <string>...</string>
* </array>
*/
int
dm_dev_rename_ioctl(prop_dictionary_t dm_dict)
{
#if 0
prop_array_t cmd_array;
dm_dev_t *dmv;
const char *name, *uuid, *n_name;
uint32_t flags, minor;
name = NULL;
uuid = NULL;
minor = 0;
/* Get needed values from dictionary. */
prop_dictionary_get_cstring_nocopy(dm_dict, DM_IOCTL_NAME, &name);
prop_dictionary_get_cstring_nocopy(dm_dict, DM_IOCTL_UUID, &uuid);
prop_dictionary_get_uint32(dm_dict, DM_IOCTL_FLAGS, &flags);
prop_dictionary_get_uint32(dm_dict, DM_IOCTL_MINOR, &minor);
dm_dbg_print_flags(flags);
cmd_array = prop_dictionary_get(dm_dict, DM_IOCTL_CMD_DATA);
prop_array_get_cstring_nocopy(cmd_array, 0, &n_name);
if (strlen(n_name) + 1 > DM_NAME_LEN)
return EINVAL;
if ((dmv = dm_dev_rem(NULL, name, uuid, minor)) == NULL) {
DM_REMOVE_FLAG(flags, DM_EXISTS_FLAG);
return ENOENT;
}
/* change device name */
/*
* XXX How to deal with this change, name only used in
* dm_dev_routines, should I add dm_dev_change_name which will run
* under the dm_dev_list mutex ?
*/
strlcpy(dmv->name, n_name, DM_NAME_LEN);
prop_dictionary_set_uint32(dm_dict, DM_IOCTL_OPEN, dmv->table_head.io_cnt);
prop_dictionary_set_uint32(dm_dict, DM_IOCTL_MINOR, dmv->minor);
prop_dictionary_set_cstring(dm_dict, DM_IOCTL_UUID, dmv->uuid);
dm_dev_insert(dmv);
#endif
/*
* XXX: the rename is not yet implemented. The main complication
* here is devfs. We'd probably need a new function, rename_dev()
* that would trigger a node rename in devfs.
*/
kprintf("dm_dev_rename_ioctl called, but not implemented!\n");
return 0;
}
/*
* Rename selected devices old name is in struct dm_ioctl.
* newname is taken from dictionary
*
* <key>cmd_data</key>
* <array>
* <string>...</string>
* </array>
*/
int
dm_dev_rename_ioctl(prop_dictionary_t dm_dict)
{
prop_array_t cmd_array;
dm_dev_t *dmv;
const char *name, *uuid, *n_name;
uint32_t flags, minor;
name = NULL;
uuid = NULL;
minor = 0;
/* Get needed values from dictionary. */
prop_dictionary_get_cstring_nocopy(dm_dict, DM_IOCTL_NAME, &name);
prop_dictionary_get_cstring_nocopy(dm_dict, DM_IOCTL_UUID, &uuid);
prop_dictionary_get_uint32(dm_dict, DM_IOCTL_FLAGS, &flags);
prop_dictionary_get_uint32(dm_dict, DM_IOCTL_MINOR, &minor);
dm_dbg_print_flags(flags);
cmd_array = prop_dictionary_get(dm_dict, DM_IOCTL_CMD_DATA);
prop_array_get_cstring_nocopy(cmd_array, 0, &n_name);
if (strlen(n_name) + 1 > DM_NAME_LEN)
return EINVAL;
if ((dmv = dm_dev_rem(name, uuid, minor)) == NULL) {
DM_REMOVE_FLAG(flags, DM_EXISTS_FLAG);
return ENOENT;
}
/* change device name */
/*
* XXX How to deal with this change, name only used in
* dm_dev_routines, should I add dm_dev_change_name which will run
* under the dm_dev_list mutex ?
*/
strlcpy(dmv->name, n_name, DM_NAME_LEN);
prop_dictionary_set_uint32(dm_dict, DM_IOCTL_OPEN, dmv->table_head.io_cnt);
prop_dictionary_set_uint32(dm_dict, DM_IOCTL_MINOR, dmv->minor);
prop_dictionary_set_cstring(dm_dict, DM_IOCTL_UUID, dmv->uuid);
dm_dev_insert(dmv);
return 0;
}
/*
* Create in-kernel entry for device. Device attributes such as name, uuid are
* taken from proplib dictionary.
*
*/
int
dm_dev_create_ioctl(prop_dictionary_t dm_dict)
{
dm_dev_t *dmv;
const char *name, *uuid;
int r, flags;
device_t devt;
r = 0;
flags = 0;
name = NULL;
uuid = NULL;
/* Get needed values from dictionary. */
prop_dictionary_get_cstring_nocopy(dm_dict, DM_IOCTL_NAME, &name);
prop_dictionary_get_cstring_nocopy(dm_dict, DM_IOCTL_UUID, &uuid);
prop_dictionary_get_uint32(dm_dict, DM_IOCTL_FLAGS, &flags);
dm_dbg_print_flags(flags);
/* Lookup name and uuid if device already exist quit. */
if ((dmv = dm_dev_lookup(name, uuid, -1)) != NULL) {
DM_ADD_FLAG(flags, DM_EXISTS_FLAG); /* Device already exists */
dm_dev_unbusy(dmv);
return EEXIST;
}
if ((devt = config_attach_pseudo(&dm_cfdata)) == NULL) {
aprint_error("Unable to attach pseudo device dm/%s\n", name);
return (ENOMEM);
}
if ((dmv = dm_dev_alloc()) == NULL)
return ENOMEM;
if (uuid)
strncpy(dmv->uuid, uuid, DM_UUID_LEN);
else
dmv->uuid[0] = '\0';
if (name)
strlcpy(dmv->name, name, DM_NAME_LEN);
dmv->minor = (uint64_t)atomic_inc_32_nv(&sc_minor_num);
dmv->flags = 0; /* device flags are set when needed */
dmv->ref_cnt = 0;
dmv->event_nr = 0;
dmv->dev_type = 0;
dmv->devt = devt;
dm_table_head_init(&dmv->table_head);
mutex_init(&dmv->dev_mtx, MUTEX_DEFAULT, IPL_NONE);
mutex_init(&dmv->diskp_mtx, MUTEX_DEFAULT, IPL_NONE);
cv_init(&dmv->dev_cv, "dm_dev");
if (flags & DM_READONLY_FLAG)
dmv->flags |= DM_READONLY_FLAG;
prop_dictionary_set_uint32(dm_dict, DM_IOCTL_MINOR, dmv->minor);
disk_init(dmv->diskp, dmv->name, &dmdkdriver);
disk_attach(dmv->diskp);
dmv->diskp->dk_info = NULL;
if ((r = dm_dev_insert(dmv)) != 0)
dm_dev_free(dmv);
DM_ADD_FLAG(flags, DM_EXISTS_FLAG);
DM_REMOVE_FLAG(flags, DM_INACTIVE_PRESENT_FLAG);
/* Increment device counter After creating device */
atomic_inc_32(&dm_dev_counter);
return r;
}
