diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 229 |
1 files changed, 186 insertions, 43 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 471322c29db6..f52c68b4da44 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -419,6 +419,19 @@ void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea) __qla24xx_handle_gpdb_event(vha, ea); } +int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport) +{ + struct qla_work_evt *e; + + e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI); + if (!e) + return QLA_FUNCTION_FAILED; + + e->u.fcport.fcport = fcport; + fcport->flags |= FCF_ASYNC_ACTIVE; + return qla2x00_post_work(vha, e); +} + static void qla2x00_async_adisc_sp_done(void *ptr, int res) { @@ -467,6 +480,8 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, lio = &sp->u.iocb_cmd; lio->timeout = qla2x00_async_iocb_timeout; + sp->gen1 = fcport->rscn_gen; + sp->gen2 = fcport->login_gen; qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); sp->done = qla2x00_async_adisc_sp_done; @@ -560,12 +575,17 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, loop_id = le16_to_cpu(e->nport_handle); loop_id = (loop_id & 0x7fff); + if (fcport->fc4f_nvme) + current_login_state = e->current_login_state >> 4; + else + current_login_state = e->current_login_state & 0xf; + ql_dbg(ql_dbg_disc, vha, 0x20e2, - "%s found %8phC CLS [%d|%d] ID[%02x%02x%02x|%02x%02x%02x] lid[%d|%d]\n", + "%s found %8phC CLS [%x|%x] nvme %d ID[%02x%02x%02x|%02x%02x%02x] lid[%d|%d]\n", __func__, fcport->port_name, e->current_login_state, fcport->fw_login_state, - id.b.domain, id.b.area, id.b.al_pa, + fcport->fc4f_nvme, id.b.domain, id.b.area, id.b.al_pa, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, loop_id, fcport->loop_id); @@ -574,9 +594,13 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, case DSC_DELETED: break; default: - if ((id.b24 != fcport->d_id.b24) || - ((fcport->loop_id != FC_NO_LOOP_ID) && - (fcport->loop_id != loop_id))) { + if ((id.b24 != fcport->d_id.b24 && + fcport->d_id.b24) || + (fcport->loop_id != FC_NO_LOOP_ID && + fcport->loop_id != loop_id)) { + ql_dbg(ql_dbg_disc, vha, 0x20e3, + "%s %d %8phC post del sess\n", + __func__, __LINE__, fcport->port_name); qlt_schedule_sess_for_deletion(fcport); return; } @@ -599,11 +623,6 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, fcport->login_pause = 1; } - if (fcport->fc4f_nvme) - current_login_state = e->current_login_state >> 4; - else - current_login_state = e->current_login_state & 0xf; - switch (vha->hw->current_topology) { default: switch (current_login_state) { @@ -632,6 +651,8 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, } break; case ISP_CFG_N: + fcport->fw_login_state = current_login_state; + fcport->d_id = id; switch (current_login_state) { case DSC_LS_PRLI_COMP: if ((e->prli_svc_param_word_3[0] & BIT_4) == 0) @@ -705,12 +726,39 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, qla24xx_fcport_handle_login(vha, fcport); break; case ISP_CFG_N: - /* - * FW handles the initial login for n2n. - * Do link reinit to trigger this auto login. - */ - set_bit(N2N_LINK_RESET, &vha->dpc_flags); - qla2xxx_wake_dpc(vha); + fcport->disc_state = DSC_DELETED; + if (time_after_eq(jiffies, fcport->dm_login_expire)) { + if (fcport->n2n_link_reset_cnt < 2) { + fcport->n2n_link_reset_cnt++; + /* + * remote port is not sending PLOGI. + * Reset link to kick start his state + * machine + */ + set_bit(N2N_LINK_RESET, + &vha->dpc_flags); + } else { + if (fcport->n2n_chip_reset < 1) { + ql_log(ql_log_info, vha, 0x705d, + "Chip reset to bring laser down"); + set_bit(ISP_ABORT_NEEDED, + &vha->dpc_flags); + fcport->n2n_chip_reset++; + } else { + ql_log(ql_log_info, vha, 0x705d, + "Remote port %8ph is not coming back\n", + fcport->port_name); + fcport->scan_state = 0; + } + } + qla2xxx_wake_dpc(vha); + } else { + /* + * report port suppose to do PLOGI. Give him + * more time. FW will catch it. + */ + set_bit(RELOGIN_NEEDED, &vha->dpc_flags); + } break; default: break; @@ -1020,9 +1068,9 @@ qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport) } ql_dbg(ql_dbg_disc, vha, 0x211b, - "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d.\n", - fcport->port_name, sp->handle, fcport->loop_id, - fcport->d_id.b24, fcport->login_retry); + "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n", + fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24, + fcport->login_retry, fcport->fc4f_nvme ? "nvme" : "fc"); return rval; @@ -1164,8 +1212,9 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea) fcport->flags &= ~FCF_ASYNC_SENT; ql_dbg(ql_dbg_disc, vha, 0x20d2, - "%s %8phC DS %d LS %d rc %d\n", __func__, fcport->port_name, - fcport->disc_state, pd->current_login_state, ea->rc); + "%s %8phC DS %d LS %d nvme %x rc %d\n", __func__, fcport->port_name, + fcport->disc_state, pd->current_login_state, fcport->fc4f_nvme, + ea->rc); if (fcport->disc_state == DSC_DELETE_PEND) return; @@ -1286,36 +1335,76 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) return 0; } - switch (fcport->disc_state) { case DSC_DELETED: - fcport->login_retry--; wwn = wwn_to_u64(fcport->node_name); - if (wwn == 0) { - ql_dbg(ql_dbg_disc, vha, 0xffff, - "%s %d %8phC post GNNID\n", - __func__, __LINE__, fcport->port_name); - qla24xx_post_gnnid_work(vha, fcport); - } else if (fcport->loop_id == FC_NO_LOOP_ID) { - ql_dbg(ql_dbg_disc, vha, 0x20bd, - "%s %d %8phC post gnl\n", - __func__, __LINE__, fcport->port_name); - qla24xx_post_gnl_work(vha, fcport); - } else { - fcport->login_retry--; - qla_chk_n2n_b4_login(vha, fcport); + switch (vha->hw->current_topology) { + case ISP_CFG_N: + if (fcport_is_smaller(fcport)) { + /* this adapter is bigger */ + if (fcport->login_retry) { + if (fcport->loop_id == FC_NO_LOOP_ID) { + qla2x00_find_new_loop_id(vha, + fcport); + fcport->fw_login_state = + DSC_LS_PORT_UNAVAIL; + } + fcport->login_retry--; + qla_post_els_plogi_work(vha, fcport); + } else { + ql_log(ql_log_info, vha, 0x705d, + "Unable to reach remote port %8phC", + fcport->port_name); + } + } else { + qla24xx_post_gnl_work(vha, fcport); + } + break; + default: + if (wwn == 0) { + ql_dbg(ql_dbg_disc, vha, 0xffff, + "%s %d %8phC post GNNID\n", + __func__, __LINE__, fcport->port_name); + qla24xx_post_gnnid_work(vha, fcport); + } else if (fcport->loop_id == FC_NO_LOOP_ID) { + ql_dbg(ql_dbg_disc, vha, 0x20bd, + "%s %d %8phC post gnl\n", + __func__, __LINE__, fcport->port_name); + qla24xx_post_gnl_work(vha, fcport); + } else { + qla_chk_n2n_b4_login(vha, fcport); + } + break; } break; case DSC_GNL: - if (fcport->login_pause) { - fcport->last_rscn_gen = fcport->rscn_gen; - fcport->last_login_gen = fcport->login_gen; - set_bit(RELOGIN_NEEDED, &vha->dpc_flags); + switch (vha->hw->current_topology) { + case ISP_CFG_N: + if ((fcport->current_login_state & 0xf) == 0x6) { + ql_dbg(ql_dbg_disc, vha, 0x2118, + "%s %d %8phC post GPDB work\n", + __func__, __LINE__, fcport->port_name); + fcport->chip_reset = + vha->hw->base_qpair->chip_reset; + qla24xx_post_gpdb_work(vha, fcport, 0); + } else { + ql_dbg(ql_dbg_disc, vha, 0x2118, + "%s %d %8phC post NVMe PRLI\n", + __func__, __LINE__, fcport->port_name); + qla24xx_post_prli_work(vha, fcport); + } + break; + default: + if (fcport->login_pause) { + fcport->last_rscn_gen = fcport->rscn_gen; + fcport->last_login_gen = fcport->login_gen; + set_bit(RELOGIN_NEEDED, &vha->dpc_flags); + break; + } + qla_chk_n2n_b4_login(vha, fcport); break; } - - qla_chk_n2n_b4_login(vha, fcport); break; case DSC_LOGIN_FAILED: @@ -1429,6 +1518,15 @@ void qla24xx_handle_relogin_event(scsi_qla_host_t *vha, qla24xx_fcport_handle_login(vha, fcport); } + +void qla_handle_els_plogi_done(scsi_qla_host_t *vha, struct event_arg *ea) +{ + ql_dbg(ql_dbg_disc, vha, 0x2118, + "%s %d %8phC post PRLI\n", + __func__, __LINE__, ea->fcport->port_name); + qla24xx_post_prli_work(vha, ea->fcport); +} + void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea) { fc_port_t *f, *tf; @@ -1530,6 +1628,9 @@ void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea) case FCME_GFPNID_DONE: qla24xx_handle_gfpnid_event(vha, ea); break; + case FCME_ELS_PLOGI_DONE: + qla_handle_els_plogi_done(vha, ea); + break; default: BUG_ON(1); break; @@ -4160,7 +4261,8 @@ qla2x00_configure_hba(scsi_qla_host_t *vha) id.b.al_pa = al_pa; id.b.rsvd_1 = 0; spin_lock_irqsave(&ha->hardware_lock, flags); - qlt_update_host_map(vha, id); + if (!(topo == 2 && ha->flags.n2n_bigger)) + qlt_update_host_map(vha, id); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (!vha->flags.init_done) @@ -4813,6 +4915,31 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha) struct qla_hw_data *ha = vha->hw; unsigned long flags; + /* Inititae N2N login. */ + if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) { + /* borrowing */ + u32 *bp, i, sz; + + memset(ha->init_cb, 0, ha->init_cb_size); + sz = min_t(int, sizeof(struct els_plogi_payload), + ha->init_cb_size); + rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma, + (void *)ha->init_cb, sz); + if (rval == QLA_SUCCESS) { + bp = (uint32_t *)ha->init_cb; + for (i = 0; i < sz/4 ; i++, bp++) + *bp = cpu_to_be32(*bp); + + memcpy(&ha->plogi_els_payld.data, (void *)ha->init_cb, + sizeof(ha->plogi_els_payld.data)); + set_bit(RELOGIN_NEEDED, &vha->dpc_flags); + } else { + ql_dbg(ql_dbg_init, vha, 0x00d1, + "PLOGI ELS param read fail.\n"); + } + return QLA_SUCCESS; + } + found_devs = 0; new_fcport = NULL; entries = MAX_FIBRE_DEVICES_LOOP; @@ -5105,9 +5232,19 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) fcport->deleted = 0; fcport->logout_on_delete = 1; fcport->login_retry = vha->hw->login_retry_count; + fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0; qla2x00_iidma_fcport(vha, fcport); + switch (vha->hw->current_topology) { + case ISP_CFG_N: + case ISP_CFG_NL: + fcport->keep_nport_handle = 1; + break; + default: + break; + } + if (fcport->fc4f_nvme) { qla_nvme_register_remote(vha, fcport); fcport->disc_state = DSC_LOGIN_COMPLETE; @@ -6992,6 +7129,9 @@ qla24xx_nvram_config(scsi_qla_host_t *vha) if (ql2xloginretrycount) ha->login_retry_count = ql2xloginretrycount; + /* N2N: driver will initiate Login instead of FW */ + icb->firmware_options_3 |= BIT_8; + /* Enable ZIO. */ if (!vha->flags.init_done) { ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & @@ -8076,6 +8216,9 @@ qla81xx_nvram_config(scsi_qla_host_t *vha) /* enable RIDA Format2 */ icb->firmware_options_3 |= BIT_0; + /* N2N: driver will initiate Login instead of FW */ + icb->firmware_options_3 |= BIT_8; + if (IS_QLA27XX(ha)) { icb->firmware_options_3 |= BIT_8; ql_dbg(ql_log_info, vha, 0x0075, |