/*
* Validate a proposed value against the iSER and/or iSCSI RFC's minimum and
* maximum values, and set an alternate, if necessary. Note that the value
* 'iser_max_value" represents our implementation maximum (typically the max).
*/
static kv_status_t
iser_handle_numerical(nvpair_t *nvp, uint64_t value, const idm_kv_xlate_t *ikvx,
uint64_t min_value, uint64_t max_value, uint64_t iser_max_value,
nvlist_t *request_nvl, nvlist_t *response_nvl, nvlist_t *negotiated_nvl)
{
kv_status_t kvrc;
int nvrc;
boolean_t respond;
/* Validate against standard */
if ((value < min_value) || (value > max_value)) {
kvrc = KV_VALUE_ERROR;
} else {
if (value > iser_max_value) {
/*
* Respond back to initiator with our value, and
* set the return value to unset the transit bit.
*/
value = iser_max_value;
kvrc = KV_HANDLED_NO_TRANSIT;
nvrc = 0;
respond = B_TRUE;
} else {
/* Add this to our negotiated values */
nvrc = nvlist_add_nvpair(negotiated_nvl, nvp);
/* Respond if this is not a declarative */
respond = (ikvx->ik_declarative == B_FALSE);
}
/* Response of Simple-value Negotiation */
if (nvrc == 0 && respond) {
nvrc = nvlist_add_uint64(response_nvl,
ikvx->ik_key_name, value);
/* Remove from the request (we've handled it) */
(void) nvlist_remove_all(request_nvl,
ikvx->ik_key_name);
}
}
if (kvrc == KV_HANDLED_NO_TRANSIT) {
return (kvrc);
}
return (idm_nvstat_to_kvstat(nvrc));
}
void
fnvlist_add_nvpair(nvlist_t *nvl, nvpair_t *pair)
{
VERIFY0(nvlist_add_nvpair(nvl, pair));
}