scsi/bfa/bfa_svc.c

85 static void bfa_lps_free(struct bfa_lps_s *lps);
86 static void bfa_lps_send_login(struct bfa_lps_s *lps);
87 static void bfa_lps_send_logout(struct bfa_lps_s *lps);
88 static void bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps);
89 static void bfa_lps_login_comp(struct bfa_lps_s *lps);
90 static void bfa_lps_logout_comp(struct bfa_lps_s *lps);
91 static void bfa_lps_cvl_event(struct bfa_lps_s *lps);
96 static void bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event);
97 static void bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event);
98 static void bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event
100 static void bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event);
101 static void bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps,
103 static void bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event);
104 static void bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event
1126 bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
1128 	bfa_trc(lps->bfa, lps->bfa_tag);
1129 	bfa_trc(lps->bfa, event);
1133 		if (bfa_reqq_full(lps->bfa, lps->reqq)) {
1134 			bfa_sm_set_state(lps, bfa_lps_sm_loginwait);
1135 			bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
1137 			bfa_sm_set_state(lps, bfa_lps_sm_login);
1138 			bfa_lps_send_login(lps);
1141 		if (lps->fdisc)
1142 			bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1145 			bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1150 		bfa_lps_logout_comp(lps);
1154 		bfa_lps_free(lps);
1164 		 * the lps request. Fw will eventually sent out the timeout
1176 		bfa_sm_fault(lps->bfa, event);
1184 bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
1186 	bfa_trc(lps->bfa, lps->bfa_tag);
1187 	bfa_trc(lps->bfa, event);
1191 		if (lps->status == BFA_STATUS_OK) {
1192 			bfa_sm_set_state(lps, bfa_lps_sm_online);
1193 			if (lps->fdisc)
1194 				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1197 				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1200 			bfa_trc(lps->bfa, lps->fport);
1201 			bfa_trc(lps->bfa, lps->lp_pid);
1203 			if (!lps->fport && lps->lp_pid)
1204 				bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);
1206 			bfa_sm_set_state(lps, bfa_lps_sm_init);
1207 			if (lps->fdisc)
1208 				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1212 				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1216 		bfa_lps_login_comp(lps);
1221 		bfa_sm_set_state(lps, bfa_lps_sm_init);
1225 		bfa_trc(lps->bfa, lps->fport);
1226 		bfa_trc(lps->bfa, lps->lp_pid);
1230 		bfa_sm_fault(lps->bfa, event);
1238 bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1240 	bfa_trc(lps->bfa, lps->bfa_tag);
1241 	bfa_trc(lps->bfa, event);
1245 		bfa_sm_set_state(lps, bfa_lps_sm_login);
1246 		bfa_lps_send_login(lps);
1251 		bfa_sm_set_state(lps, bfa_lps_sm_init);
1252 		bfa_reqq_wcancel(&lps->wqe);
1264 		bfa_sm_fault(lps->bfa, event);
1272 bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
1274 	bfa_trc(lps->bfa, lps->bfa_tag);
1275 	bfa_trc(lps->bfa, event);
1279 		if (bfa_reqq_full(lps->bfa, lps->reqq)) {
1280 			bfa_sm_set_state(lps, bfa_lps_sm_logowait);
1281 			bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
1283 			bfa_sm_set_state(lps, bfa_lps_sm_logout);
1284 			bfa_lps_send_logout(lps);
1286 		bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1291 		bfa_sm_set_state(lps, bfa_lps_sm_init);
1294 		bfa_lps_cvl_event(lps);
1295 		bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1300 		if (bfa_reqq_full(lps->bfa, lps->reqq)) {
1301 			bfa_sm_set_state(lps, bfa_lps_sm_online_n2n_pid_wait);
1302 			bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
1304 			bfa_lps_send_set_n2n_pid(lps);
1309 		bfa_sm_set_state(lps, bfa_lps_sm_init);
1313 		bfa_sm_fault(lps->bfa, event);
1321 bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1323 	bfa_trc(lps->bfa, lps->bfa_tag);
1324 	bfa_trc(lps->bfa, event);
1328 		bfa_sm_set_state(lps, bfa_lps_sm_online);
1329 		bfa_lps_send_set_n2n_pid(lps);
1333 		bfa_sm_set_state(lps, bfa_lps_sm_logowait);
1334 		bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1339 		bfa_sm_set_state(lps, bfa_lps_sm_init);
1340 		bfa_reqq_wcancel(&lps->wqe);
1343 		bfa_lps_cvl_event(lps);
1344 		bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1350 		bfa_sm_set_state(lps, bfa_lps_sm_init);
1351 		bfa_reqq_wcancel(&lps->wqe);
1355 		bfa_sm_fault(lps->bfa, event);
1363 bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event)
1365 	bfa_trc(lps->bfa, lps->bfa_tag);
1366 	bfa_trc(lps->bfa, event);
1371 		bfa_sm_set_state(lps, bfa_lps_sm_init);
1372 		bfa_lps_logout_comp(lps);
1376 		bfa_sm_set_state(lps, bfa_lps_sm_init);
1380 		bfa_sm_fault(lps->bfa, event);
1388 bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1390 	bfa_trc(lps->bfa, lps->bfa_tag);
1391 	bfa_trc(lps->bfa, event);
1395 		bfa_sm_set_state(lps, bfa_lps_sm_logout);
1396 		bfa_lps_send_logout(lps);
1401 		bfa_sm_set_state(lps, bfa_lps_sm_init);
1402 		bfa_reqq_wcancel(&lps->wqe);
1406 		bfa_sm_fault(lps->bfa, event);
1441 	struct bfa_lps_s	*lps;
1449 	mod->lps_arr = lps = (struct bfa_lps_s *) bfa_mem_kva_curp(mod);
1457 	for (i = 0; i < mod->num_lps; i++, lps++) {
1458 		lps->bfa	= bfa;
1459 		lps->bfa_tag	= (u8) i;
1460 		lps->reqq	= BFA_REQQ_LPS;
1461 		bfa_reqq_winit(&lps->wqe, bfa_lps_reqq_resume, lps);
1462 		list_add_tail(&lps->qe, &mod->lps_free_q);
1467  * IOC in disabled state -- consider all lps offline
1473 	struct bfa_lps_s	*lps;
1477 		lps = (struct bfa_lps_s *) qe;
1478 		bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
1481 		lps = (struct bfa_lps_s *) qe;
1482 		bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
1494 	struct bfa_lps_s	*lps;
1497 	lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
1499 	lps->status = rsp->status;
1502 		lps->fw_tag	= rsp->fw_tag;
1503 		lps->fport	= rsp->f_port;
1504 		if (lps->fport)
1505 			lps->lp_pid = rsp->lp_pid;
1506 		lps->npiv_en	= rsp->npiv_en;
1507 		lps->pr_bbcred	= be16_to_cpu(rsp->bb_credit);
1508 		lps->pr_pwwn	= rsp->port_name;
1509 		lps->pr_nwwn	= rsp->node_name;
1510 		lps->auth_req	= rsp->auth_req;
1511 		lps->lp_mac	= rsp->lp_mac;
1512 		lps->brcd_switch = rsp->brcd_switch;
1513 		lps->fcf_mac	= rsp->fcf_mac;
1518 		lps->lsrjt_rsn = rsp->lsrjt_rsn;
1519 		lps->lsrjt_expl = rsp->lsrjt_expl;
1524 		lps->ext_status = rsp->ext_status;
1530 			bfa_lps_no_res(lps, rsp->ext_status);
1538 	list_del(&lps->qe);
1539 	list_add_tail(&lps->qe, &mod->lps_active_q);
1540 	bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1549 	struct bfa_lps_s	*lps;
1557 		lps = (struct bfa_lps_s *)qe;
1558 		bfa_trc(bfa, lps->bfa_tag);
1559 		lps->status = first_lps->status;
1560 		list_del(&lps->qe);
1561 		list_add_tail(&lps->qe, &mod->lps_active_q);
1562 		bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1575 	struct bfa_lps_s	*lps;
1578 	lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
1580 	bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1590 	struct bfa_lps_s	*lps;
1592 	lps = BFA_LPS_FROM_TAG(mod, cvl->bfa_tag);
1594 	bfa_sm_send_event(lps, BFA_LPS_SM_RX_CVL);
1603 	struct bfa_lps_s	*lps = lps_arg;
1605 	bfa_sm_send_event(lps, BFA_LPS_SM_RESUME);
1609  * lps is freed -- triggered by vport delete
1612 bfa_lps_free(struct bfa_lps_s *lps)
1614 	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(lps->bfa);
1616 	lps->lp_pid = 0;
1617 	list_del(&lps->qe);
1618 	list_add_tail(&lps->qe, &mod->lps_free_q);
1625 bfa_lps_send_login(struct bfa_lps_s *lps)
1627 	struct bfa_lps_mod_s	*mod = BFA_LPS_MOD(lps->bfa);
1630 	m = bfa_reqq_next(lps->bfa, lps->reqq);
1634 		bfa_fn_lpu(lps->bfa));
1636 	m->bfa_tag	= lps->bfa_tag;
1637 	m->alpa		= lps->alpa;
1638 	m->pdu_size	= cpu_to_be16(lps->pdusz);
1639 	m->pwwn		= lps->pwwn;
1640 	m->nwwn		= lps->nwwn;
1641 	m->fdisc	= lps->fdisc;
1642 	m->auth_en	= lps->auth_en;
1644 	bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
1645 	list_del(&lps->qe);
1646 	list_add_tail(&lps->qe, &mod->lps_login_q);
1653 bfa_lps_send_logout(struct bfa_lps_s *lps)
1657 	m = bfa_reqq_next(lps->bfa, lps->reqq);
1661 		bfa_fn_lpu(lps->bfa));
1663 	m->fw_tag = lps->fw_tag;
1664 	m->port_name = lps->pwwn;
1665 	bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
1672 bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps)
1676 	m = bfa_reqq_next(lps->bfa, lps->reqq);
1680 		bfa_fn_lpu(lps->bfa));
1682 	m->fw_tag = lps->fw_tag;
1683 	m->lp_pid = lps->lp_pid;
1684 	bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
1693 	struct bfa_lps_s *lps	= arg;
1698 	if (lps->fdisc)
1699 		bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
1701 		bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
1708 bfa_lps_login_comp(struct bfa_lps_s *lps)
1710 	if (!lps->bfa->fcs) {
1711 		bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_login_comp_cb,
1712 			lps);
1716 	if (lps->fdisc)
1717 		bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
1719 		bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
1728 	struct bfa_lps_s *lps	= arg;
1733 	if (lps->fdisc)
1734 		bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
1736 		bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg);
1743 bfa_lps_logout_comp(struct bfa_lps_s *lps)
1745 	if (!lps->bfa->fcs) {
1746 		bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_logout_comp_cb,
1747 			lps);
1750 	if (lps->fdisc)
1751 		bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
1760 	struct bfa_lps_s *lps	= arg;
1766 	if (lps->fdisc)
1767 		bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
1775 bfa_lps_cvl_event(struct bfa_lps_s *lps)
1777 	if (!lps->bfa->fcs) {
1778 		bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_cvl_event_cb,
1779 			lps);
1784 	if (lps->fdisc)
1785 		bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
1810 	struct bfa_lps_s	*lps = NULL;
1812 	bfa_q_deq(&mod->lps_free_q, &lps);
1814 	if (lps == NULL)
1817 	list_add_tail(&lps->qe, &mod->lps_active_q);
1819 	bfa_sm_set_state(lps, bfa_lps_sm_init);
1820 	return lps;
1828 bfa_lps_delete(struct bfa_lps_s *lps)
1830 	bfa_sm_send_event(lps, BFA_LPS_SM_DELETE);
1837 bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz,
1840 	lps->uarg	= uarg;
1841 	lps->alpa	= alpa;
1842 	lps->pdusz	= pdusz;
1843 	lps->pwwn	= pwwn;
1844 	lps->nwwn	= nwwn;
1845 	lps->fdisc	= BFA_FALSE;
1846 	lps->auth_en	= auth_en;
1847 	bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
1854 bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn,
1857 	lps->uarg	= uarg;
1858 	lps->alpa	= 0;
1859 	lps->pdusz	= pdusz;
1860 	lps->pwwn	= pwwn;
1861 	lps->nwwn	= nwwn;
1862 	lps->fdisc	= BFA_TRUE;
1863 	lps->auth_en	= BFA_FALSE;
1864 	bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
1872 bfa_lps_fdisclogo(struct bfa_lps_s *lps)
1874 	bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT);
1892 	struct bfa_lps_s	*lps;
1895 	for (i = 0, lps = mod->lps_arr; i < mod->num_lps; i++, lps++) {
1896 		if (lps->lp_pid == pid)
1897 			return lps->bfa_tag;
1920 bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, uint32_t n2n_pid)
1922 	bfa_trc(lps->bfa, lps->bfa_tag);
1923 	bfa_trc(lps->bfa, n2n_pid);
1925 	lps->lp_pid = n2n_pid;
1926 	bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);