static tgtadm_err mtask_execute(struct mgmt_task *mtask)
{
struct tgtadm_req *req = &mtask->req;
int lld_no;
tgtadm_err adm_err = TGTADM_INVALID_REQUEST;
req->lld[TGT_LLD_NAME_LEN - 1] = '\0';
if (!strlen(req->lld))
lld_no = 0;
else {
lld_no = get_driver_index(req->lld);
if (lld_no < 0 ||
(tgt_drivers[lld_no]->drv_state != DRIVER_INIT &&
req->mode != MODE_LLD))
{
if (lld_no < 0)
eprintf("can't find the driver %s\n", req->lld);
else
eprintf("driver %s is in state: %s\n",
req->lld, driver_state_name(tgt_drivers[lld_no]));
return TGTADM_NO_DRIVER;
}
}
dprintf("%d %d %d %d %d %" PRIx64 " %" PRIx64 " %s %d\n",
req->len, lld_no, req->mode, req->op,
req->tid, req->sid, req->lun, mtask->req_buf, getpid());
switch (req->mode) {
case MODE_SYSTEM:
adm_err = sys_mgmt(lld_no, mtask);
break;
case MODE_TARGET:
adm_err = target_mgmt(lld_no, mtask);
break;
case MODE_PORTAL:
adm_err = portal_mgmt(lld_no, mtask);
break;
case MODE_DEVICE:
adm_err = device_mgmt(lld_no, mtask);
break;
case MODE_ACCOUNT:
adm_err = account_mgmt(lld_no, mtask);
break;
case MODE_SESSION:
adm_err = session_mgmt(lld_no, mtask);
break;
case MODE_CONNECTION:
adm_err = connection_mgmt(lld_no, mtask);
break;
case MODE_LLD:
adm_err = lld_mgmt(lld_no, mtask);
break;
default:
if (req->op == OP_SHOW && tgt_drivers[lld_no]->show) {
concat_buf_init(&mtask->rsp_concat);
adm_err = tgt_drivers[lld_no]->show(req->mode,
req->tid, req->sid,
req->cid, req->lun,
&mtask->rsp_concat);
concat_buf_finish(&mtask->rsp_concat);
} else
eprintf("unsupported mode: %d\n", req->mode);
break;
}
return adm_err;
}
static int tgt_mgmt(struct mgmt_task *mtask)
{
struct tgtadm_req *req = &mtask->req;
struct tgtadm_rsp *rsp = &mtask->rsp;
int lld_no, err = TGTADM_INVALID_REQUEST, len = mtask->bsize;
if (!strlen(req->lld))
lld_no = 0;
else {
lld_no = get_driver_index(req->lld);
if (lld_no < 0 || tgt_drivers[lld_no]->drv_state != DRIVER_INIT) {
if (lld_no < 0)
eprintf("can't find the driver %s\n", req->lld);
else
eprintf("driver %s is in state: %s\n",
req->lld, driver_state_name(tgt_drivers[lld_no]));
rsp->err = TGTADM_NO_DRIVER;
rsp->len = sizeof(*rsp);
return 0;
}
}
dprintf("%d %d %d %d %d %" PRIx64 " %" PRIx64 " %s %d\n",
req->len, lld_no, req->mode, req->op,
req->tid, req->sid, req->lun, mtask->buf, getpid());
switch (req->mode) {
case MODE_SYSTEM:
err = sys_mgmt(lld_no, mtask);
break;
case MODE_TARGET:
err = target_mgmt(lld_no, mtask);
break;
case MODE_PORTAL:
err = portal_mgmt(lld_no, mtask, req, rsp);
break;
case MODE_DEVICE:
err = device_mgmt(lld_no, req, mtask->buf, rsp, &len);
break;
case MODE_ACCOUNT:
err = account_mgmt(lld_no, mtask);
break;
case MODE_CONNECTION:
err = connection_mgmt(lld_no, mtask, req, rsp);
break;
default:
if (req->op == OP_SHOW && tgt_drivers[lld_no]->show) {
err = tgt_drivers[lld_no]->show(req->mode,
req->tid, req->sid,
req->cid, req->lun,
mtask->buf, len);
set_show_results(rsp, &err);
} else {
rsp->err = err;
rsp->len = sizeof(*rsp);
}
break;
}
return err;
}
