diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 140 |
1 files changed, 133 insertions, 7 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 44cf875a484a..1bafa043f9f1 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -812,13 +812,12 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) sp->gen2 = fcport->login_gen; qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); - pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); + pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); if (pd == NULL) { ql_log(ql_log_warn, vha, 0xd043, "Failed to allocate port database structure.\n"); goto done_free_sp; } - memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE)); mb = sp->u.iocb_cmd.u.mbx.out_mb; mb[0] = MBC_GET_PORT_DATABASE; @@ -1434,6 +1433,14 @@ qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea) qla24xx_post_gpdb_work(vha, ea->fcport, 0); break; default: + if (ea->fcport->n2n_flag) { + ql_dbg(ql_dbg_disc, vha, 0x2118, + "%s %d %8phC post fc4 prli\n", + __func__, __LINE__, ea->fcport->port_name); + ea->fcport->fc4f_nvme = 0; + ea->fcport->n2n_flag = 0; + qla24xx_post_prli_work(vha, ea->fcport); + } ql_dbg(ql_dbg_disc, vha, 0x2119, "%s %d %8phC unhandle event of %x\n", __func__, __LINE__, ea->fcport->port_name, ea->data[0]); @@ -4367,7 +4374,109 @@ qla2x00_configure_loop(scsi_qla_host_t *vha) return (rval); } +/* + * N2N Login + * Updates Fibre Channel Device Database with local loop devices. + * + * Input: + * ha = adapter block pointer. + * + * Returns: + */ +static int qla24xx_n2n_handle_login(struct scsi_qla_host *vha, + fc_port_t *fcport) +{ + struct qla_hw_data *ha = vha->hw; + int res = QLA_SUCCESS, rval; + int greater_wwpn = 0; + int logged_in = 0; + + if (ha->current_topology != ISP_CFG_N) + return res; + + if (wwn_to_u64(vha->port_name) > + wwn_to_u64(vha->n2n_port_name)) { + ql_dbg(ql_dbg_disc, vha, 0x2002, + "HBA WWPN is greater %llx > target %llx\n", + wwn_to_u64(vha->port_name), + wwn_to_u64(vha->n2n_port_name)); + greater_wwpn = 1; + fcport->d_id.b24 = vha->n2n_id; + } + + fcport->loop_id = vha->loop_id; + fcport->fc4f_nvme = 0; + fcport->query = 1; + + ql_dbg(ql_dbg_disc, vha, 0x4001, + "Initiate N2N login handler: HBA port_id=%06x loopid=%d\n", + fcport->d_id.b24, vha->loop_id); + + /* Fill in member data. */ + if (!greater_wwpn) { + rval = qla2x00_get_port_database(vha, fcport, 0); + ql_dbg(ql_dbg_disc, vha, 0x1051, + "Remote login-state (%x/%x) port_id=%06x loop_id=%x, rval=%d\n", + fcport->current_login_state, fcport->last_login_state, + fcport->d_id.b24, fcport->loop_id, rval); + + if (((fcport->current_login_state & 0xf) == 0x4) || + ((fcport->current_login_state & 0xf) == 0x6)) + logged_in = 1; + } + + if (logged_in || greater_wwpn) { + if (!vha->nvme_local_port && vha->flags.nvme_enabled) + qla_nvme_register_hba(vha); + + /* Set connected N_Port d_id */ + if (vha->flags.nvme_enabled) + fcport->fc4f_nvme = 1; + + fcport->scan_state = QLA_FCPORT_FOUND; + fcport->fw_login_state = DSC_LS_PORT_UNAVAIL; + fcport->disc_state = DSC_GNL; + fcport->n2n_flag = 1; + fcport->flags = 3; + vha->hw->flags.gpsc_supported = 0; + + if (greater_wwpn) { + ql_dbg(ql_dbg_disc, vha, 0x20e5, + "%s %d PLOGI ELS %8phC\n", + __func__, __LINE__, fcport->port_name); + + res = qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI, + fcport, fcport->d_id); + } + + if (res != QLA_SUCCESS) { + ql_log(ql_log_info, vha, 0xd04d, + "PLOGI Failed: portid=%06x - retrying\n", + fcport->d_id.b24); + res = QLA_SUCCESS; + } else { + /* State 0x6 means FCP PRLI complete */ + 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); + } + } + } else { + /* Wait for next database change */ + set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags); + } + return res; +} /* * qla2x00_configure_local_loop @@ -4438,6 +4547,14 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha) } } + /* Inititae N2N login. */ + if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) { + rval = qla24xx_n2n_handle_login(vha, new_fcport); + if (rval != QLA_SUCCESS) + goto cleanup_allocation; + return QLA_SUCCESS; + } + /* Add devices to port list. */ id_iter = (char *)ha->gid_list; for (index = 0; index < entries; index++) { @@ -4479,10 +4596,13 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha) "Failed to retrieve fcport information " "-- get_port_database=%x, loop_id=0x%04x.\n", rval2, new_fcport->loop_id); - ql_dbg(ql_dbg_disc, vha, 0x2105, - "Scheduling resync.\n"); - set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); - continue; + /* Skip retry if N2N */ + if (ha->current_topology != ISP_CFG_N) { + ql_dbg(ql_dbg_disc, vha, 0x2105, + "Scheduling resync.\n"); + set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); + continue; + } } spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); @@ -7555,6 +7675,12 @@ qla81xx_nvram_config(scsi_qla_host_t *vha) if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) icb->firmware_options_3 |= BIT_0; + if (IS_QLA27XX(ha)) { + icb->firmware_options_3 |= BIT_8; + ql_dbg(ql_log_info, vha, 0x0075, + "Enabling direct connection.\n"); + } + if (rval) { ql_log(ql_log_warn, vha, 0x0076, "NVRAM configuration failed.\n"); @@ -7910,7 +8036,7 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos, return NULL; } - if (ql2xmqsupport) { + if (ql2xmqsupport || ql2xnvmeenable) { qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL); if (qpair == NULL) { ql_log(ql_log_warn, vha, 0x0182, |