Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754633AbZGYGCD (ORCPT ); Sat, 25 Jul 2009 02:02:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751256AbZGYGCD (ORCPT ); Sat, 25 Jul 2009 02:02:03 -0400 Received: from mx40.brocade.com ([144.49.195.4]:19177 "EHLO mx40.brocade.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754181AbZGYGB4 (ORCPT ); Sat, 25 Jul 2009 02:01:56 -0400 X-IronPort-AV: E=Sophos;i="4.43,268,1246863600"; d="scan'208";a="70889174" Date: Fri, 24 Jul 2009 23:01:54 -0700 From: Jing Huang Message-Id: <200907250601.n6P61snt024283@swe57.brocade.com> To: James.Bottomley@HansenPartnership.com Subject: [PATCH 8/14] bfa: Brocade BFA FC SCSI driver (fcs part-3) Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, rvadivel@brocade.com, vravindr@brocade.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 112985 Lines: 4173 From: Jing Huang This patch contains and FC state machine code. part-3 Signed-off-by: Jing Huang --- fdmi.c | 1223 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ loop.c | 422 ++++++++++++++++++++ lport_api.c | 291 +++++++++++++ lport_priv.h | 82 +++ ms.c | 759 ++++++++++++++++++++++++++++++++++++ n2n.c | 105 ++++ ns.c | 1243 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 7 files changed, 4125 insertions(+) diff -urpN orig/drivers/scsi/bfa/fdmi.c patch/drivers/scsi/bfa/fdmi.c --- orig/drivers/scsi/bfa/fdmi.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/fdmi.c 2009-07-21 15:34:03.000000000 -0700 @@ -0,0 +1,1223 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * port_api.c BFA FCS port + */ + + +#include +#include +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "lport_priv.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include + +BFA_TRC_FILE(FCS, FDMI); + +#define BFA_FCS_FDMI_CMD_MAX_RETRIES 2 + +/* + * forward declarations + */ +static void bfa_fcs_port_fdmi_send_rhba(void *fdmi_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_fdmi_send_rprt(void *fdmi_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_fdmi_send_rpa(void *fdmi_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_fdmi_rhba_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_fdmi_rprt_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_fdmi_rpa_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_fdmi_timeout(void *arg); +static u16 bfa_fcs_port_fdmi_build_rhba_pyld( + struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld); +static u16 bfa_fcs_port_fdmi_build_rprt_pyld( + struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld); +static u16 bfa_fcs_port_fdmi_build_rpa_pyld( + struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld); +static u16 bfa_fcs_port_fdmi_build_portattr_block( + struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld); +void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_port_fdmi_s *fdmi, + struct bfa_fcs_fdmi_hba_attr_s *hba_attr); +void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_port_fdmi_s *fdmi, + struct bfa_fcs_fdmi_port_attr_s *port_attr); +/** + * fcs_fdmi_sm FCS FDMI state machine + */ + +/** + * FDMI State Machine events + */ +enum port_fdmi_event { + FDMISM_EVENT_PORT_ONLINE = 1, + FDMISM_EVENT_PORT_OFFLINE = 2, + FDMISM_EVENT_RSP_OK = 4, + FDMISM_EVENT_RSP_ERROR = 5, + FDMISM_EVENT_TIMEOUT = 6, + FDMISM_EVENT_RHBA_SENT = 7, + FDMISM_EVENT_RPRT_SENT = 8, + FDMISM_EVENT_RPA_SENT = 9, +}; + +static void bfa_fcs_port_fdmi_sm_offline(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_sending_rhba(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rhba(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rhba_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_sending_rprt(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rprt(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rprt_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_sending_rpa(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rpa(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_rpa_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_port_fdmi_sm_online(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event); +/** + * Start in offline state - awaiting MS to send start. + */ +static void +bfa_fcs_port_fdmi_sm_offline(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + fdmi->retry_cnt = 0; + + switch (event) { + case FDMISM_EVENT_PORT_ONLINE: + if (port->vport) { + /* + * For Vports, register a new port. + */ + bfa_sm_set_state(fdmi, + bfa_fcs_port_fdmi_sm_sending_rprt); + bfa_fcs_port_fdmi_send_rprt(fdmi, NULL); + } else { + /* + * For a base port, we should first register the HBA + * atribute. The HBA attribute also contains the base + * port registration. + */ + bfa_sm_set_state(fdmi, + bfa_fcs_port_fdmi_sm_sending_rhba); + bfa_fcs_port_fdmi_send_rhba(fdmi, NULL); + } + break; + + case FDMISM_EVENT_PORT_OFFLINE: + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_sending_rhba(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RHBA_SENT: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rhba); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rhba(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RSP_ERROR: + /* + * if max retries have not been reached, start timer for a + * delayed retry + */ + if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rhba_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->timer, bfa_fcs_port_fdmi_timeout, + fdmi, BFA_FCS_RETRY_TIMEOUT); + } else { + /* + * set state to offline + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + } + break; + + case FDMISM_EVENT_RSP_OK: + /* + * Initiate Register Port Attributes + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rpa); + fdmi->retry_cnt = 0; + bfa_fcs_port_fdmi_send_rpa(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(fdmi->fcxp); + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rhba_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rhba); + bfa_fcs_port_fdmi_send_rhba(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_timer_stop(&fdmi->timer); + break; + + default: + bfa_assert(0); + } +} + +/* +* RPRT : Register Port + */ +static void +bfa_fcs_port_fdmi_sm_sending_rprt(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RPRT_SENT: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rprt); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rprt(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RSP_ERROR: + /* + * if max retries have not been reached, start timer for a + * delayed retry + */ + if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rprt_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->timer, bfa_fcs_port_fdmi_timeout, + fdmi, BFA_FCS_RETRY_TIMEOUT); + + } else { + /* + * set state to offline + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + fdmi->retry_cnt = 0; + } + break; + + case FDMISM_EVENT_RSP_OK: + fdmi->retry_cnt = 0; + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_online); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(fdmi->fcxp); + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rprt_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rprt); + bfa_fcs_port_fdmi_send_rprt(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_timer_stop(&fdmi->timer); + break; + + default: + bfa_assert(0); + } +} + +/* + * Register Port Attributes + */ +static void +bfa_fcs_port_fdmi_sm_sending_rpa(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RPA_SENT: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rpa); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rpa(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RSP_ERROR: + /* + * if max retries have not been reached, start timer for a + * delayed retry + */ + if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rpa_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->timer, bfa_fcs_port_fdmi_timeout, + fdmi, BFA_FCS_RETRY_TIMEOUT); + } else { + /* + * set state to offline + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + fdmi->retry_cnt = 0; + } + break; + + case FDMISM_EVENT_RSP_OK: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_online); + fdmi->retry_cnt = 0; + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(fdmi->fcxp); + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_rpa_retry(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rpa); + bfa_fcs_port_fdmi_send_rpa(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + bfa_timer_stop(&fdmi->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_fdmi_sm_online(struct bfa_fcs_port_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); + break; + + default: + bfa_assert(0); + } +} + + +/** +* RHBA : Register HBA Attributes. + */ +static void +bfa_fcs_port_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_fdmi_s *fdmi = fdmi_cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct fchs_s fchs; + int len, attr_len; + struct bfa_fcxp_s *fcxp; + u8 *pyld; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, + bfa_fcs_port_fdmi_send_rhba, fdmi); + return; + } + fdmi->fcxp = fcxp; + + pyld = bfa_fcxp_get_reqbuf(fcxp); + bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); + + len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_port_get_fcid(port), + FDMI_RHBA); + + attr_len = bfa_fcs_port_fdmi_build_rhba_pyld(fdmi, + (u8 *) ((struct ct_hdr_s *) pyld + 1)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, (len + attr_len), &fchs, + bfa_fcs_port_fdmi_rhba_response, (void *)fdmi, + FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT); +} + +static u16 +bfa_fcs_port_fdmi_build_rhba_pyld(struct bfa_fcs_port_fdmi_s *fdmi, + u8 *pyld) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct bfa_fcs_fdmi_hba_attr_s hba_attr; /* @todo */ + struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr; /* @todo */ + struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld; + struct fdmi_attr_s *attr; + u8 *curr_ptr; + u16 len, count; + + /* + * get hba attributes + */ + bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr); + + rhba->hba_id = bfa_fcs_port_get_pwwn(port); + rhba->port_list.num_ports = bfa_os_htonl(1); + rhba->port_list.port_entry = bfa_fcs_port_get_pwwn(port); + + len = sizeof(rhba->hba_id) + sizeof(rhba->port_list); + + count = 0; + len += sizeof(rhba->hba_attr_blk.attr_count); + + /* + * fill out the invididual entries of the HBA attrib Block + */ + curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr; + + /* + * Node Name + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_NODENAME); + attr->len = sizeof(wwn_t); + memcpy(attr->value, &bfa_fcs_port_get_nwwn(port), attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Manufacturer + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MANUFACTURER); + attr->len = (u16) strlen(fcs_hba_attr->manufacturer); + memcpy(attr->value, fcs_hba_attr->manufacturer, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Serial Number + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_SERIALNUM); + attr->len = (u16) strlen(fcs_hba_attr->serial_num); + memcpy(attr->value, fcs_hba_attr->serial_num, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Model + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL); + attr->len = (u16) strlen(fcs_hba_attr->model); + memcpy(attr->value, fcs_hba_attr->model, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Model Desc + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL_DESC); + attr->len = (u16) strlen(fcs_hba_attr->model_desc); + memcpy(attr->value, fcs_hba_attr->model_desc, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * H/W Version + */ + if (fcs_hba_attr->hw_version[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_HW_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->hw_version); + memcpy(attr->value, fcs_hba_attr->hw_version, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + } + + /* + * Driver Version + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_DRIVER_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->driver_version); + memcpy(attr->value, fcs_hba_attr->driver_version, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len;; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Option Rom Version + */ + if (fcs_hba_attr->option_rom_ver[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_ROM_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->option_rom_ver); + memcpy(attr->value, fcs_hba_attr->option_rom_ver, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + } + + /* + * f/w Version = driver version + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_FW_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->driver_version); + memcpy(attr->value, fcs_hba_attr->driver_version, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * OS Name + */ + if (fcs_hba_attr->os_name[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_OS_NAME); + attr->len = (u16) strlen(fcs_hba_attr->os_name); + memcpy(attr->value, fcs_hba_attr->os_name, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + } + + /* + * MAX_CT_PAYLOAD + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MAX_CT); + attr->len = sizeof(fcs_hba_attr->max_ct_pyld); + memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, attr->len); + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Update size of payload + */ + len += ((sizeof(attr->type) + sizeof(attr->len)) * count); + + rhba->hba_attr_blk.attr_count = bfa_os_htonl(count); + return len; +} + +static void +bfa_fcs_port_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); +} + +/** +* RPRT : Register Port + */ +static void +bfa_fcs_port_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_fdmi_s *fdmi = fdmi_cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct fchs_s fchs; + u16 len, attr_len; + struct bfa_fcxp_s *fcxp; + u8 *pyld; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, + bfa_fcs_port_fdmi_send_rprt, fdmi); + return; + } + fdmi->fcxp = fcxp; + + pyld = bfa_fcxp_get_reqbuf(fcxp); + bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); + + len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_port_get_fcid(port), + FDMI_RPRT); + + attr_len = bfa_fcs_port_fdmi_build_rprt_pyld(fdmi, + (u8 *) ((struct ct_hdr_s *) pyld + 1)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len + attr_len, &fchs, + bfa_fcs_port_fdmi_rprt_response, (void *)fdmi, + FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT); +} + +/** + * This routine builds Port Attribute Block that used in RPA, RPRT commands. + */ +static u16 +bfa_fcs_port_fdmi_build_portattr_block(struct bfa_fcs_port_fdmi_s *fdmi, + u8 *pyld) +{ + struct bfa_fcs_fdmi_port_attr_s fcs_port_attr; + struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld; + struct fdmi_attr_s *attr; + u8 *curr_ptr; + u16 len; + u8 count = 0; + + /* + * get port attributes + */ + bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr); + + len = sizeof(port_attrib->attr_count); + + /* + * fill out the invididual entries + */ + curr_ptr = (u8 *) &port_attrib->port_attr; + + /* + * FC4 Types + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FC4_TYPES); + attr->len = sizeof(fcs_port_attr.supp_fc4_types); + memcpy(attr->value, fcs_port_attr.supp_fc4_types, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Supported Speed + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_SUPP_SPEED); + attr->len = sizeof(fcs_port_attr.supp_speed); + memcpy(attr->value, &fcs_port_attr.supp_speed, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * current Port Speed + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_PORT_SPEED); + attr->len = sizeof(fcs_port_attr.curr_speed); + memcpy(attr->value, &fcs_port_attr.curr_speed, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * max frame size + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FRAME_SIZE); + attr->len = sizeof(fcs_port_attr.max_frm_size); + memcpy(attr->value, &fcs_port_attr.max_frm_size, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * OS Device Name + */ + if (fcs_port_attr.os_device_name[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_DEV_NAME); + attr->len = (u16) strlen(fcs_port_attr.os_device_name); + memcpy(attr->value, fcs_port_attr.os_device_name, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + } + /* + * Host Name + */ + if (fcs_port_attr.host_name[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_HOST_NAME); + attr->len = (u16) strlen(fcs_port_attr.host_name); + memcpy(attr->value, fcs_port_attr.host_name, attr->len); + /* variable fields need to be 4 byte aligned */ + attr->len = fc_roundup(attr->len, sizeof(u32)); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + } + + /* + * Update size of payload + */ + port_attrib->attr_count = bfa_os_htonl(count); + len += ((sizeof(attr->type) + sizeof(attr->len)) * count); + return len; +} + +static u16 +bfa_fcs_port_fdmi_build_rprt_pyld(struct bfa_fcs_port_fdmi_s *fdmi, + u8 *pyld) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld; + u16 len; + + rprt->hba_id = bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(port->fcs)); + rprt->port_name = bfa_fcs_port_get_pwwn(port); + + len = bfa_fcs_port_fdmi_build_portattr_block(fdmi, + (u8 *) &rprt->port_attr_blk); + + len += sizeof(rprt->hba_id) + sizeof(rprt->port_name); + + return len; +} + +static void +bfa_fcs_port_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); +} + +/** +* RPA : Register Port Attributes. + */ +static void +bfa_fcs_port_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_fdmi_s *fdmi = fdmi_cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct fchs_s fchs; + u16 len, attr_len; + struct bfa_fcxp_s *fcxp; + u8 *pyld; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, + bfa_fcs_port_fdmi_send_rpa, fdmi); + return; + } + fdmi->fcxp = fcxp; + + pyld = bfa_fcxp_get_reqbuf(fcxp); + bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); + + len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_port_get_fcid(port), + FDMI_RPA); + + attr_len = bfa_fcs_port_fdmi_build_rpa_pyld(fdmi, + (u8 *) ((struct ct_hdr_s *) pyld + 1)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len + attr_len, &fchs, + bfa_fcs_port_fdmi_rpa_response, (void *)fdmi, + FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT); +} + +static u16 +bfa_fcs_port_fdmi_build_rpa_pyld(struct bfa_fcs_port_fdmi_s *fdmi, + u8 *pyld) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld; + u16 len; + + rpa->port_name = bfa_fcs_port_get_pwwn(port); + + len = bfa_fcs_port_fdmi_build_portattr_block(fdmi, + (u8 *) &rpa->port_attr_blk); + + len += sizeof(rpa->port_name); + + return len; +} + +static void +bfa_fcs_port_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)cbarg; + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); +} + +static void +bfa_fcs_port_fdmi_timeout(void *arg) +{ + struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)arg; + + bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT); +} + +void +bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_port_fdmi_s *fdmi, + struct bfa_fcs_fdmi_hba_attr_s *hba_attr) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info; + struct bfa_adapter_attr_s adapter_attr; + + bfa_os_memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s)); + bfa_os_memset(&adapter_attr, 0, sizeof(struct bfa_adapter_attr_s)); + + bfa_ioc_get_adapter_attr(&port->fcs->bfa->ioc, &adapter_attr); + + strncpy(hba_attr->manufacturer, adapter_attr.manufacturer, + sizeof(adapter_attr.manufacturer)); + + strncpy(hba_attr->serial_num, adapter_attr.serial_num, + sizeof(adapter_attr.serial_num)); + + strncpy(hba_attr->model, adapter_attr.model, sizeof(hba_attr->model)); + + strncpy(hba_attr->model_desc, adapter_attr.model_descr, + sizeof(hba_attr->model_desc)); + + strncpy(hba_attr->hw_version, adapter_attr.hw_ver, + sizeof(hba_attr->hw_version)); + + strncpy(hba_attr->driver_version, (char *)driver_info->version, + sizeof(hba_attr->driver_version)); + + strncpy(hba_attr->option_rom_ver, adapter_attr.optrom_ver, + sizeof(hba_attr->option_rom_ver)); + + strncpy(hba_attr->fw_version, adapter_attr.fw_ver, + sizeof(hba_attr->fw_version)); + + strncpy(hba_attr->os_name, driver_info->host_os_name, + sizeof(hba_attr->os_name)); + + /* + * If there is a patch level, append it to the os name along with a + * separator + */ + if (driver_info->host_os_patch[0] != '\0') { + strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + strncat(hba_attr->os_name, driver_info->host_os_patch, + sizeof(driver_info->host_os_patch)); + } + + hba_attr->max_ct_pyld = bfa_os_htonl(FC_MAX_PDUSZ); + +} + +void +bfa_fcs_fdmi_get_portattr(struct bfa_fcs_port_fdmi_s *fdmi, + struct bfa_fcs_fdmi_port_attr_s *port_attr) +{ + struct bfa_fcs_port_s *port = fdmi->ms->port; + struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info; + struct bfa_pport_attr_s pport_attr; + + bfa_os_memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s)); + + /* + * get pport attributes from hal + */ + bfa_pport_get_attr(port->fcs->bfa, &pport_attr); + + /* + * get FC4 type Bitmask + */ + fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types); + + /* + * Supported Speeds + */ + port_attr->supp_speed = bfa_os_htonl(BFA_FCS_FDMI_SUPORTED_SPEEDS); + + /* + * Current Speed + */ + port_attr->curr_speed = bfa_os_htonl(pport_attr.speed); + + /* + * Max PDU Size. + */ + port_attr->max_frm_size = bfa_os_htonl(FC_MAX_PDUSZ); + + /* + * OS device Name + */ + strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name, + sizeof(port_attr->os_device_name)); + + /* + * Host name + */ + strncpy(port_attr->host_name, (char *)driver_info->host_machine_name, + sizeof(port_attr->host_name)); + +} + + +void +bfa_fcs_port_fdmi_init(struct bfa_fcs_port_ms_s *ms) +{ + struct bfa_fcs_port_fdmi_s *fdmi = &ms->fdmi; + + fdmi->ms = ms; + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); +} + +void +bfa_fcs_port_fdmi_offline(struct bfa_fcs_port_ms_s *ms) +{ + struct bfa_fcs_port_fdmi_s *fdmi = &ms->fdmi; + + fdmi->ms = ms; + bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE); +} + +void +bfa_fcs_port_fdmi_online(struct bfa_fcs_port_ms_s *ms) +{ + struct bfa_fcs_port_fdmi_s *fdmi = &ms->fdmi; + + fdmi->ms = ms; + bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE); +} diff -urpN orig/drivers/scsi/bfa/loop.c patch/drivers/scsi/bfa/loop.c --- orig/drivers/scsi/bfa/loop.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/loop.c 2009-07-21 15:34:03.000000000 -0700 @@ -0,0 +1,422 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * port_loop.c vport private loop implementation. + */ +#include +#include +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "fcs_trcmod.h" +#include "lport_priv.h" + +BFA_TRC_FILE(FCS, LOOP); + +/** + * ALPA to LIXA bitmap mapping + * + * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31 + * is for L_bit (login required) and is filled as ALPA 0x00 here. + */ +static const u8 port_loop_alpa_map[] = { + 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, /* Word 3 Bits 0..7 */ + 0xD9, 0xD6, 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, /* Word 3 Bits 8..15 */ + 0xCD, 0xCC, 0xCB, 0xCA, 0xC9, 0xC7, 0xC6, 0xC5, /* Word 3 Bits 16..23 */ + 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, 0xB4, 0xB3, /* Word 3 Bits 24..31 */ + + 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, /* Word 2 Bits 0..7 */ + 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, /* Word 2 Bits 8..15 */ + 0x98, 0x97, 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, /* Word 2 Bits 16..23 */ + 0x80, 0x7C, 0x7A, 0x79, 0x76, 0x75, 0x74, 0x73, /* Word 2 Bits 24..31 */ + + 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, 0x6A, 0x69, /* Word 1 Bits 0..7 */ + 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, /* Word 1 Bits 8..15 */ + 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, /* Word 1 Bits 16..23 */ + 0x4B, 0x4A, 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, /* Word 1 Bits 24..31 */ + + 0x3A, 0x39, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, /* Word 0 Bits 0..7 */ + 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, 0x27, 0x26, /* Word 0 Bits 8..15 */ + 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, /* Word 0 Bits 16..23 */ + 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01, 0x00, 0x00, /* Word 0 Bits 24..31 */ +}; + +/* + * Local Functions + */ +bfa_status_t bfa_fcs_port_loop_send_plogi(struct bfa_fcs_port_s *port, + u8 alpa); + +void bfa_fcs_port_loop_plogi_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); + +bfa_status_t bfa_fcs_port_loop_send_adisc(struct bfa_fcs_port_s *port, + u8 alpa); + +void bfa_fcs_port_loop_adisc_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); + +bfa_status_t bfa_fcs_port_loop_send_plogi_acc(struct bfa_fcs_port_s *port, + u8 alpa); + +void bfa_fcs_port_loop_plogi_acc_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); + +bfa_status_t bfa_fcs_port_loop_send_adisc_acc(struct bfa_fcs_port_s *port, + u8 alpa); + +void bfa_fcs_port_loop_adisc_acc_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +/** + * Called by port to initializar in provate LOOP topology. + */ +void +bfa_fcs_port_loop_init(struct bfa_fcs_port_s *port) +{ +} + +/** + * Called by port to notify transition to online state. + */ +void +bfa_fcs_port_loop_online(struct bfa_fcs_port_s *port) +{ + + u8 num_alpa = port->port_topo.ploop.num_alpa; + u8 *alpa_pos_map = port->port_topo.ploop.alpa_pos_map; + struct bfa_fcs_rport_s *r_port; + int ii = 0; + + /* + * If the port role is Initiator Mode, create Rports. + */ + if (port->port_cfg.roles == BFA_PORT_ROLE_FCP_IM) { + /* + * Check if the ALPA positional bitmap is available. + * if not, we send PLOGI to all possible ALPAs. + */ + if (num_alpa > 0) { + for (ii = 0; ii < num_alpa; ii++) { + /* + * ignore ALPA of bfa port + */ + if (alpa_pos_map[ii] != port->pid) { + r_port = bfa_fcs_rport_create(port, + alpa_pos_map[ii]); + } + } + } else { + for (ii = 0; ii < MAX_ALPA_COUNT; ii++) { + /* + * ignore ALPA of bfa port + */ + if ((port_loop_alpa_map[ii] > 0) + && (port_loop_alpa_map[ii] != port->pid)) + bfa_fcs_port_loop_send_plogi(port, + port_loop_alpa_map[ii]); + /**TBD */ + } + } + } else { + /* + * TBD Target Mode ?? + */ + } + +} + +/** + * Called by port to notify transition to offline state. + */ +void +bfa_fcs_port_loop_offline(struct bfa_fcs_port_s *port) +{ + +} + +/** + * Called by port to notify a LIP on the loop. + */ +void +bfa_fcs_port_loop_lip(struct bfa_fcs_port_s *port) +{ +} + +/** + * Local Functions. + */ +bfa_status_t +bfa_fcs_port_loop_send_plogi(struct bfa_fcs_port_s *port, u8 alpa) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp = NULL; + int len; + + bfa_trc(port->fcs, alpa); + + fcxp = bfa_fcxp_alloc(NULL, port->fcs->bfa, 0, 0, NULL, NULL, NULL, + NULL); + bfa_assert(fcxp); + + len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), alpa, + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_pport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_port_loop_plogi_response, (void *)port, + FC_MAX_PDUSZ, FC_RA_TOV); + + return BFA_STATUS_OK; +} + +/** + * Called by fcxp to notify the Plogi response + */ +void +bfa_fcs_port_loop_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_s *port = (struct bfa_fcs_port_s *) cbarg; + struct fc_logi_s *plogi_resp; + struct fc_els_cmd_s *els_cmd; + + bfa_trc(port->fcs, req_status); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + /* + * @todo + * This could mean that the device with this APLA does not + * exist on the loop. + */ + + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + plogi_resp = (struct fc_logi_s *) els_cmd; + + if (els_cmd->els_code == FC_ELS_ACC) { + bfa_fcs_rport_start(port, rsp_fchs, plogi_resp); + } else { + bfa_trc(port->fcs, plogi_resp->els_cmd.els_code); + bfa_assert(0); + } +} + +bfa_status_t +bfa_fcs_port_loop_send_plogi_acc(struct bfa_fcs_port_s *port, u8 alpa) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + int len; + + bfa_trc(port->fcs, alpa); + + fcxp = bfa_fcxp_alloc(NULL, port->fcs->bfa, 0, 0, NULL, NULL, NULL, + NULL); + bfa_assert(fcxp); + + len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), alpa, + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_pport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_port_loop_plogi_acc_response, + (void *)port, FC_MAX_PDUSZ, 0); /* No response + * expected + */ + + return BFA_STATUS_OK; +} + +/* + * Plogi Acc Response + * We donot do any processing here. + */ +void +bfa_fcs_port_loop_plogi_acc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + + struct bfa_fcs_port_s *port = (struct bfa_fcs_port_s *) cbarg; + + bfa_trc(port->fcs, port->pid); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + return; + } +} + +bfa_status_t +bfa_fcs_port_loop_send_adisc(struct bfa_fcs_port_s *port, u8 alpa) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + int len; + + bfa_trc(port->fcs, alpa); + + fcxp = bfa_fcxp_alloc(NULL, port->fcs->bfa, 0, 0, NULL, NULL, NULL, + NULL); + bfa_assert(fcxp); + + len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), alpa, + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_port_loop_adisc_response, (void *)port, + FC_MAX_PDUSZ, FC_RA_TOV); + + return BFA_STATUS_OK; +} + +/** + * Called by fcxp to notify the ADISC response + */ +void +bfa_fcs_port_loop_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_s *port = (struct bfa_fcs_port_s *) cbarg; + struct bfa_fcs_rport_s *rport; + struct fc_adisc_s *adisc_resp; + struct fc_els_cmd_s *els_cmd; + u32 pid = rsp_fchs->s_id; + + bfa_trc(port->fcs, req_status); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + /* + * TBD : we may need to retry certain requests + */ + bfa_fcxp_free(fcxp); + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + adisc_resp = (struct fc_adisc_s *) els_cmd; + + if (els_cmd->els_code == FC_ELS_ACC) { + } else { + bfa_trc(port->fcs, adisc_resp->els_cmd.els_code); + + /* + * TBD: we may need to check for reject codes and retry + */ + rport = bfa_fcs_port_get_rport_by_pid(port, pid); + if (rport) { + list_del(&rport->qe); + bfa_fcs_rport_delete(rport); + } + + } + return; +} + +bfa_status_t +bfa_fcs_port_loop_send_adisc_acc(struct bfa_fcs_port_s *port, u8 alpa) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + int len; + + bfa_trc(port->fcs, alpa); + + fcxp = bfa_fcxp_alloc(NULL, port->fcs->bfa, 0, 0, NULL, NULL, NULL, + NULL); + bfa_assert(fcxp); + + len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), alpa, + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_port_loop_adisc_acc_response, + (void *)port, FC_MAX_PDUSZ, 0); /* no reponse + * expected + */ + + return BFA_STATUS_OK; +} + +/* + * Adisc Acc Response + * We donot do any processing here. + */ +void +bfa_fcs_port_loop_adisc_acc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + + struct bfa_fcs_port_s *port = (struct bfa_fcs_port_s *) cbarg; + + bfa_trc(port->fcs, port->pid); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + return; + } +} diff -urpN orig/drivers/scsi/bfa/lport_api.c patch/drivers/scsi/bfa/lport_api.c --- orig/drivers/scsi/bfa/lport_api.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/lport_api.c 2009-07-21 15:34:03.000000000 -0700 @@ -0,0 +1,291 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * port_api.c BFA FCS port + */ + +#include +#include +#include +#include "fcs_rport.h" +#include "fcs_fabric.h" +#include "fcs_trcmod.h" +#include "fcs_vport.h" + +BFA_TRC_FILE(FCS, PORT_API); + + + +/** + * fcs_port_api BFA FCS port API + */ + +void +bfa_fcs_cfg_base_port(struct bfa_fcs_s *fcs, struct bfa_port_cfg_s *port_cfg) +{ +} + +struct bfa_fcs_port_s * +bfa_fcs_get_base_port(struct bfa_fcs_s *fcs) +{ + return (&fcs->fabric.bport); +} + +wwn_t +bfa_fcs_port_get_rport(struct bfa_fcs_port_s *port, wwn_t wwn, int index, + int nrports, bfa_boolean_t bwwn) +{ + struct list_head *qh, *qe; + struct bfa_fcs_rport_s *rport = NULL; + int i; + struct bfa_fcs_s *fcs; + + if (port == NULL || nrports == 0) + return (wwn_t) 0; + + fcs = port->fcs; + bfa_trc(fcs, (u32) nrports); + + i = 0; + qh = &port->rport_q; + qe = bfa_q_first(qh); + + while ((qe != qh) && (i < nrports)) { + rport = (struct bfa_fcs_rport_s *)qe; + if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) { + qe = bfa_q_next(qe); + bfa_trc(fcs, (u32) rport->pwwn); + bfa_trc(fcs, rport->pid); + bfa_trc(fcs, i); + continue; + } + + if (bwwn) { + if (!memcmp(&wwn, &rport->pwwn, 8)) + break; + } else { + if (i == index) + break; + } + + i++; + qe = bfa_q_next(qe); + } + + bfa_trc(fcs, i); + if (rport) { + return rport->pwwn; + } else { + return (wwn_t) 0; + } +} + +void +bfa_fcs_port_get_rports(struct bfa_fcs_port_s *port, wwn_t rport_wwns[], + int *nrports) +{ + struct list_head *qh, *qe; + struct bfa_fcs_rport_s *rport = NULL; + int i; + struct bfa_fcs_s *fcs; + + if (port == NULL || rport_wwns == NULL || *nrports == 0) + return; + + fcs = port->fcs; + bfa_trc(fcs, (u32) *nrports); + + i = 0; + qh = &port->rport_q; + qe = bfa_q_first(qh); + + while ((qe != qh) && (i < *nrports)) { + rport = (struct bfa_fcs_rport_s *)qe; + if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) { + qe = bfa_q_next(qe); + bfa_trc(fcs, (u32) rport->pwwn); + bfa_trc(fcs, rport->pid); + bfa_trc(fcs, i); + continue; + } + + rport_wwns[i] = rport->pwwn; + + i++; + qe = bfa_q_next(qe); + } + + bfa_trc(fcs, i); + *nrports = i; + return; +} + +/* + * Iterate's through all the rport's in the given port to + * determine the maximum operating speed. + */ +enum bfa_pport_speed +bfa_fcs_port_get_rport_max_speed(struct bfa_fcs_port_s *port) +{ + struct list_head *qh, *qe; + struct bfa_fcs_rport_s *rport = NULL; + struct bfa_fcs_s *fcs; + enum bfa_pport_speed max_speed = 0; + struct bfa_pport_attr_s pport_attr; + enum bfa_pport_speed pport_speed; + + if (port == NULL) + return 0; + + fcs = port->fcs; + + /* + * Get Physical port's current speed + */ + bfa_pport_get_attr(port->fcs->bfa, &pport_attr); + pport_speed = pport_attr.speed; + bfa_trc(fcs, pport_speed); + + qh = &port->rport_q; + qe = bfa_q_first(qh); + + while (qe != qh) { + rport = (struct bfa_fcs_rport_s *)qe; + if ((bfa_os_ntoh3b(rport->pid) > 0xFFF000) + || (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE)) { + qe = bfa_q_next(qe); + continue; + } + + if ((rport->rpf.rpsc_speed == BFA_PPORT_SPEED_8GBPS) + || (rport->rpf.rpsc_speed > pport_speed)) { + max_speed = rport->rpf.rpsc_speed; + break; + } else if (rport->rpf.rpsc_speed > max_speed) { + max_speed = rport->rpf.rpsc_speed; + } + + qe = bfa_q_next(qe); + } + + bfa_trc(fcs, max_speed); + return max_speed; +} + +struct bfa_fcs_port_s * +bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn) +{ + struct bfa_fcs_vport_s *vport; + bfa_fcs_vf_t *vf; + + bfa_assert(fcs != NULL); + + vf = bfa_fcs_vf_lookup(fcs, vf_id); + if (vf == NULL) { + bfa_trc(fcs, vf_id); + return (NULL); + } + + if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn)) + return (&vf->bport); + + vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn); + if (vport) + return (&vport->lport); + + return (NULL); +} + +/* + * API corresponding to VmWare's NPIV_VPORT_GETINFO. + */ +void +bfa_fcs_port_get_info(struct bfa_fcs_port_s *port, + struct bfa_port_info_s *port_info) +{ + + bfa_trc(port->fcs, port->fabric->fabric_name); + + if (port->vport == NULL) { + /* + * This is a Physical port + */ + port_info->port_type = BFA_PORT_TYPE_PHYSICAL; + + /* + * @todo : need to fix the state & reason + */ + port_info->port_state = 0; + port_info->offline_reason = 0; + + port_info->port_wwn = bfa_fcs_port_get_pwwn(port); + port_info->node_wwn = bfa_fcs_port_get_nwwn(port); + + port_info->max_vports_supp = bfa_fcs_vport_get_max(port->fcs); + port_info->num_vports_inuse = + bfa_fcs_fabric_vport_count(port->fabric); + port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP; + port_info->num_rports_inuse = port->num_rports; + } else { + /* + * This is a virtual port + */ + port_info->port_type = BFA_PORT_TYPE_VIRTUAL; + + /* + * @todo : need to fix the state & reason + */ + port_info->port_state = 0; + port_info->offline_reason = 0; + + port_info->port_wwn = bfa_fcs_port_get_pwwn(port); + port_info->node_wwn = bfa_fcs_port_get_nwwn(port); + } +} + +void +bfa_fcs_port_get_stats(struct bfa_fcs_port_s *fcs_port, + struct bfa_port_stats_s *port_stats) +{ + bfa_os_memcpy(port_stats, &fcs_port->stats, + sizeof(struct bfa_port_stats_s)); + return; +} + +void +bfa_fcs_port_clear_stats(struct bfa_fcs_port_s *fcs_port) +{ + bfa_os_memset(&fcs_port->stats, 0, sizeof(struct bfa_port_stats_s)); + return; +} + +void +bfa_fcs_port_enable_ipfc_roles(struct bfa_fcs_port_s *fcs_port) +{ + fcs_port->port_cfg.roles |= BFA_PORT_ROLE_FCP_IPFC; + return; +} + +void +bfa_fcs_port_disable_ipfc_roles(struct bfa_fcs_port_s *fcs_port) +{ + fcs_port->port_cfg.roles &= ~BFA_PORT_ROLE_FCP_IPFC; + return; +} + + diff -urpN orig/drivers/scsi/bfa/lport_priv.h patch/drivers/scsi/bfa/lport_priv.h --- orig/drivers/scsi/bfa/lport_priv.h 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/lport_priv.h 2009-07-21 15:34:03.000000000 -0700 @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __VP_PRIV_H__ +#define __VP_PRIV_H__ + +#include +#include + +/* + * Functions exported by vps + */ +void bfa_fcs_vport_init(struct bfa_fcs_vport_s *vport); + +/* + * Functions exported by vps + */ +void bfa_fcs_vps_online(struct bfa_fcs_port_s *port); +void bfa_fcs_vps_offline(struct bfa_fcs_port_s *port); +void bfa_fcs_vps_lip(struct bfa_fcs_port_s *port); + +/* + * Functions exported by port_fab + */ +void bfa_fcs_port_fab_init(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_fab_online(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_fab_offline(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_fab_rx_frame(struct bfa_fcs_port_s *port, + u8 *rx_frame, u32 len); + +/* + * Functions exported by VP-NS. + */ +void bfa_fcs_port_ns_init(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_ns_offline(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_ns_online(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_ns_query(struct bfa_fcs_port_s *port); + +/* + * Functions exported by VP-SCN + */ +void bfa_fcs_port_scn_init(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_scn_offline(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_scn_online(struct bfa_fcs_port_s *vport); +void bfa_fcs_port_scn_process_rscn(struct bfa_fcs_port_s *port, + struct fchs_s *rx_frame, u32 len); + +/* + * Functions exported by VP-N2N + */ + +void bfa_fcs_port_n2n_init(struct bfa_fcs_port_s *port); +void bfa_fcs_port_n2n_online(struct bfa_fcs_port_s *port); +void bfa_fcs_port_n2n_offline(struct bfa_fcs_port_s *port); +void bfa_fcs_port_n2n_rx_frame(struct bfa_fcs_port_s *port, + u8 *rx_frame, u32 len); + +/* + * Functions exported by VP-LOOP + */ +void bfa_fcs_port_loop_init(struct bfa_fcs_port_s *port); +void bfa_fcs_port_loop_online(struct bfa_fcs_port_s *port); +void bfa_fcs_port_loop_offline(struct bfa_fcs_port_s *port); +void bfa_fcs_port_loop_lip(struct bfa_fcs_port_s *port); +void bfa_fcs_port_loop_rx_frame(struct bfa_fcs_port_s *port, + u8 *rx_frame, u32 len); + +#endif /* __VP_PRIV_H__ */ diff -urpN orig/drivers/scsi/bfa/ms.c patch/drivers/scsi/bfa/ms.c --- orig/drivers/scsi/bfa/ms.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/ms.c 2009-07-21 15:34:03.000000000 -0700 @@ -0,0 +1,759 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + + +#include +#include +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include "lport_priv.h" + +BFA_TRC_FILE(FCS, MS); + +#define BFA_FCS_MS_CMD_MAX_RETRIES 2 +/* + * forward declarations + */ +static void bfa_fcs_port_ms_send_plogi(void *ms_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ms_timeout(void *arg); +static void bfa_fcs_port_ms_plogi_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); + +static void bfa_fcs_port_ms_send_gmal(void *ms_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ms_gmal_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ms_send_gfn(void *ms_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ms_gfn_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +/** + * fcs_ms_sm FCS MS state machine + */ + +/** + * MS State Machine events + */ +enum port_ms_event { + MSSM_EVENT_PORT_ONLINE = 1, + MSSM_EVENT_PORT_OFFLINE = 2, + MSSM_EVENT_RSP_OK = 3, + MSSM_EVENT_RSP_ERROR = 4, + MSSM_EVENT_TIMEOUT = 5, + MSSM_EVENT_FCXP_SENT = 6, + MSSM_EVENT_PORT_FABRIC_RSCN = 7 +}; + +static void bfa_fcs_port_ms_sm_offline(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_plogi_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_plogi_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gmal_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gmal(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gmal_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gfn_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_gfn_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event); +/** + * Start in offline state - awaiting NS to send start. + */ +static void +bfa_fcs_port_ms_sm_offline(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_PORT_ONLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_sending); + bfa_fcs_port_ms_send_plogi(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_plogi_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_FCXP_SENT: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), &ms->timer, + bfa_fcs_port_ms_timeout, ms, + BFA_FCS_RETRY_TIMEOUT); + break; + + case MSSM_EVENT_RSP_OK: + /* + * since plogi is done, now invoke MS related sub-modules + */ + bfa_fcs_port_fdmi_online(ms); + + /** + * if this is a Vport, go to online state. + */ + if (ms->port->vport) { + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online); + break; + } + + /* + * For a base port we need to get the + * switch's IP address. + */ + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_sending); + bfa_fcs_port_ms_send_gmal(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_discard(ms->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_plogi_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_sending); + bfa_fcs_port_ms_send_plogi(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_timer_stop(&ms->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + /* + * now invoke MS related sub-modules + */ + bfa_fcs_port_fdmi_offline(ms); + break; + + case MSSM_EVENT_PORT_FABRIC_RSCN: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending); + ms->retry_cnt = 0; + bfa_fcs_port_ms_send_gfn(ms, NULL); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_gmal_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_FCXP_SENT: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_gmal(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) { + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->timer, bfa_fcs_port_ms_timeout, ms, + BFA_FCS_RETRY_TIMEOUT); + } else { + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending); + bfa_fcs_port_ms_send_gfn(ms, NULL); + ms->retry_cnt = 0; + } + break; + + case MSSM_EVENT_RSP_OK: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending); + bfa_fcs_port_ms_send_gfn(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_discard(ms->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_gmal_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_sending); + bfa_fcs_port_ms_send_gmal(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_timer_stop(&ms->timer); + break; + + default: + bfa_assert(0); + } +} + +/** + * ms_pvt MS local functions + */ + +static void +bfa_fcs_port_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ms_s *ms = ms_cbarg; + struct bfa_fcs_port_s *port = ms->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, + bfa_fcs_port_ms_send_gmal, ms); + return; + } + ms->fcxp = fcxp; + + len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_port_get_fcid(port), + bfa_lps_get_peer_nwwn(port->fabric->lps)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gmal_response, + (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_port_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg; + struct bfa_fcs_port_s *port = ms->port; + struct ct_hdr_s *cthdr = NULL; + struct fcgs_gmal_resp_s *gmal_resp; + struct fc_gmal_entry_s *gmal_entry; + u32 num_entries; + u8 *rsp_str; + + bfa_trc(port->fcs, req_status); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1); + num_entries = bfa_os_ntohl(gmal_resp->ms_len); + if (num_entries == 0) { + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + /* + * The response could contain multiple Entries. + * Entries for SNMP interface, etc. + * We look for the entry with a telnet prefix. + * First "http://" entry refers to IP addr + */ + + gmal_entry = (struct fc_gmal_entry_s *)gmal_resp->ms_ma; + while (num_entries > 0) { + if (strncmp + (gmal_entry->prefix, CT_GMAL_RESP_PREFIX_HTTP, + sizeof(gmal_entry->prefix)) == 0) { + + /* + * if the IP address is terminating with a '/', + * remove it. *Byte 0 consists of the length + * of the string. + */ + rsp_str = &(gmal_entry->prefix[0]); + if (rsp_str[gmal_entry->len - 1] == '/') + rsp_str[gmal_entry->len - 1] = 0; + /* + * copy IP Address to fabric + */ + strncpy(bfa_fcs_port_get_fabric_ipaddr(port), + gmal_entry->ip_addr, + BFA_FCS_FABRIC_IPADDR_SZ); + break; + } else { + --num_entries; + ++gmal_entry; + } + } + + bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); +} + +static void +bfa_fcs_port_ms_sm_gfn_sending(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_FCXP_SENT: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) { + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->timer, bfa_fcs_port_ms_timeout, ms, + BFA_FCS_RETRY_TIMEOUT); + } else { + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online); + ms->retry_cnt = 0; + } + break; + + case MSSM_EVENT_RSP_OK: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_fcxp_discard(ms->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ms_sm_gfn_retry(struct bfa_fcs_port_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending); + bfa_fcs_port_ms_send_gfn(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + bfa_timer_stop(&ms->timer); + break; + + default: + bfa_assert(0); + } +} + +/** + * ms_pvt MS local functions + */ + +static void +bfa_fcs_port_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ms_s *ms = ms_cbarg; + struct bfa_fcs_port_s *port = ms->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, + bfa_fcs_port_ms_send_gfn, ms); + return; + } + ms->fcxp = fcxp; + + len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_port_get_fcid(port), + bfa_lps_get_peer_nwwn(port->fabric->lps)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gfn_response, + (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV); + + bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_port_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, + bfa_status_t req_status, u32 rsp_len, + u32 resid_len, struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg; + struct bfa_fcs_port_s *port = ms->port; + struct ct_hdr_s *cthdr = NULL; + wwn_t *gfn_resp; + + bfa_trc(port->fcs, req_status); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + gfn_resp = (wwn_t *) (cthdr + 1); + /* + * check if it has actually changed + */ + if ((memcmp + ((void *)&bfa_fcs_port_get_fabric_name(port), gfn_resp, + sizeof(wwn_t)) != 0)) + bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); +} + +/** + * ms_pvt MS local functions + */ + +static void +bfa_fcs_port_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ms_s *ms = ms_cbarg; + struct bfa_fcs_port_s *port = ms->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ms_plogi_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, + bfa_fcs_port_ms_send_plogi, ms); + return; + } + ms->fcxp = fcxp; + + len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_os_hton3b(FC_MGMT_SERVER), + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_pport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_plogi_response, + (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV); + + port->stats.ms_plogi_sent++; + bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_port_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg; + + struct bfa_fcs_port_s *port = ms->port; + struct fc_els_cmd_s *els_cmd; + struct fc_ls_rjt_s *ls_rjt; + + bfa_trc(port->fcs, req_status); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + port->stats.ms_plogi_rsp_err++; + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + + switch (els_cmd->els_code) { + + case FC_ELS_ACC: + if (rsp_len < sizeof(struct fc_logi_s)) { + bfa_trc(port->fcs, rsp_len); + port->stats.ms_plogi_acc_err++; + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + break; + } + port->stats.ms_plogi_accepts++; + bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); + break; + + case FC_ELS_LS_RJT: + ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); + + bfa_trc(port->fcs, ls_rjt->reason_code); + bfa_trc(port->fcs, ls_rjt->reason_code_expl); + + port->stats.ms_rejects++; + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + break; + + default: + port->stats.ms_plogi_unknown_rsp++; + bfa_trc(port->fcs, els_cmd->els_code); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + } +} + +static void +bfa_fcs_port_ms_timeout(void *arg) +{ + struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)arg; + + ms->port->stats.ms_timeouts++; + bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT); +} + + +void +bfa_fcs_port_ms_init(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + ms->port = port; + bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline); + + /* + * Invoke init routines of sub modules. + */ + bfa_fcs_port_fdmi_init(ms); +} + +void +bfa_fcs_port_ms_offline(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + ms->port = port; + bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE); +} + +void +bfa_fcs_port_ms_online(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + ms->port = port; + bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE); +} + +void +bfa_fcs_port_ms_fabric_rscn(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + /* + * @todo. Handle this only when in Online state + */ + if (bfa_sm_cmp_state(ms, bfa_fcs_port_ms_sm_online)) + bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN); +} diff -urpN orig/drivers/scsi/bfa/n2n.c patch/drivers/scsi/bfa/n2n.c --- orig/drivers/scsi/bfa/n2n.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/n2n.c 2009-07-21 15:34:03.000000000 -0700 @@ -0,0 +1,105 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * n2n.c n2n implementation. + */ +#include +#include +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "fcs_trcmod.h" +#include "lport_priv.h" + +BFA_TRC_FILE(FCS, N2N); + +/** + * Called by fcs/port to initialize N2N topology. + */ +void +bfa_fcs_port_n2n_init(struct bfa_fcs_port_s *port) +{ +} + +/** + * Called by fcs/port to notify transition to online state. + */ +void +bfa_fcs_port_n2n_online(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_n2n_s *n2n_port = &port->port_topo.pn2n; + struct bfa_port_cfg_s *pcfg = &port->port_cfg; + struct bfa_fcs_rport_s *rport; + + bfa_trc(port->fcs, pcfg->pwwn); + + /* + * If our PWWN is > than that of the r-port, we have to initiate PLOGI + * and assign an Address. if not, we need to wait for its PLOGI. + * + * If our PWWN is < than that of the remote port, it will send a PLOGI + * with the PIDs assigned. The rport state machine take care of this + * incoming PLOGI. + */ + if (memcmp + ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn, + sizeof(wwn_t)) > 0) { + port->pid = N2N_LOCAL_PID; + /** + * First, check if we know the device by pwwn. + */ + rport = bfa_fcs_port_get_rport_by_pwwn(port, + n2n_port->rem_port_wwn); + if (rport) { + bfa_trc(port->fcs, rport->pid); + bfa_trc(port->fcs, rport->pwwn); + rport->pid = N2N_REMOTE_PID; + bfa_fcs_rport_online(rport); + return; + } + + /* + * In n2n there can be only one rport. Delete the old one whose + * pid should be zero, because it is offline. + */ + if (port->num_rports > 0) { + rport = bfa_fcs_port_get_rport_by_pid(port, 0); + bfa_assert(rport != NULL); + if (rport) { + bfa_trc(port->fcs, rport->pwwn); + bfa_fcs_rport_delete(rport); + } + } + bfa_fcs_rport_create(port, N2N_REMOTE_PID); + } +} + +/** + * Called by fcs/port to notify transition to offline state. + */ +void +bfa_fcs_port_n2n_offline(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_n2n_s *n2n_port = &port->port_topo.pn2n; + + bfa_trc(port->fcs, port->pid); + port->pid = 0; + n2n_port->rem_port_wwn = 0; + n2n_port->reply_oxid = 0; +} + + diff -urpN orig/drivers/scsi/bfa/ns.c patch/drivers/scsi/bfa/ns.c --- orig/drivers/scsi/bfa/ns.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/ns.c 2009-07-21 15:34:03.000000000 -0700 @@ -0,0 +1,1243 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * @page ns_sm_info VPORT NS State Machine + * + * @section ns_sm_interactions VPORT NS State Machine Interactions + * + * @section ns_sm VPORT NS State Machine + * img ns_sm.jpg + */ +#include +#include +#include +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include "fcs.h" +#include "lport_priv.h" + +BFA_TRC_FILE(FCS, NS); + +/* + * forward declarations + */ +static void bfa_fcs_port_ns_send_plogi(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ns_send_rspn_id(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ns_send_rft_id(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ns_send_rff_id(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ns_send_gid_ft(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_port_ns_timeout(void *arg); +static void bfa_fcs_port_ns_plogi_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ns_rspn_id_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ns_rft_id_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ns_rff_id_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ns_gid_ft_response(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, + bfa_status_t req_status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rsp_fchs); +static void bfa_fcs_port_ns_process_gidft_pids(struct bfa_fcs_port_s *port, + u32 *pid_buf, + u32 n_pids); + +static void bfa_fcs_port_ns_boot_target_disc(struct bfa_fcs_port_s *port); +/** + * fcs_ns_sm FCS nameserver interface state machine + */ + +/** + * VPort NS State Machine events + */ +enum vport_ns_event { + NSSM_EVENT_PORT_ONLINE = 1, + NSSM_EVENT_PORT_OFFLINE = 2, + NSSM_EVENT_PLOGI_SENT = 3, + NSSM_EVENT_RSP_OK = 4, + NSSM_EVENT_RSP_ERROR = 5, + NSSM_EVENT_TIMEOUT = 6, + NSSM_EVENT_NS_QUERY = 7, + NSSM_EVENT_RSPNID_SENT = 8, + NSSM_EVENT_RFTID_SENT = 9, + NSSM_EVENT_RFFID_SENT = 10, + NSSM_EVENT_GIDFT_SENT = 11, +}; + +static void bfa_fcs_port_ns_sm_offline(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_plogi_sending(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_plogi(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_plogi_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_sending_rspn_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rspn_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rspn_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_sending_rft_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rft_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rft_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_sending_rff_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rff_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_rff_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_sending_gid_ft(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_gid_ft(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_gid_ft_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_port_ns_sm_online(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event); +/** + * Start in offline state - awaiting linkup + */ +static void +bfa_fcs_port_ns_sm_offline(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_PORT_ONLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi_sending); + bfa_fcs_port_ns_send_plogi(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_plogi_sending(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_PLOGI_SENT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_plogi(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer, + bfa_fcs_port_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_RSP_OK: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rspn_id); + bfa_fcs_port_ns_send_rspn_id(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_discard(ns->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_plogi_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_plogi_sending); + bfa_fcs_port_ns_send_plogi(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_sending_rspn_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSPNID_SENT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rspn_id); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rspn_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rspn_id_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer, + bfa_fcs_port_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_RSP_OK: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rft_id); + bfa_fcs_port_ns_send_rft_id(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(ns->fcxp); + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rspn_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rspn_id); + bfa_fcs_port_ns_send_rspn_id(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_sending_rft_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RFTID_SENT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rft_id); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rft_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_OK: + /* + * Now move to register FC4 Features + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rff_id); + bfa_fcs_port_ns_send_rff_id(ns, NULL); + break; + + case NSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rft_id_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer, + bfa_fcs_port_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_discard(ns->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rft_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rft_id); + bfa_fcs_port_ns_send_rft_id(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_sending_rff_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RFFID_SENT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rff_id); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rff_id(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_OK: + + /* + * If min cfg mode is enabled, we donot initiate rport + * discovery with the fabric. Instead, we will retrieve the + * boot targets from HAL/FW. + */ + if (__fcs_min_cfg(ns->port->fcs)) { + bfa_fcs_port_ns_boot_target_disc(ns->port); + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online); + return; + } + + /* + * If the port role is Initiator Mode issue NS query. + * If it is Target Mode, skip this and go to online. + */ + if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) { + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_gid_ft); + bfa_fcs_port_ns_send_gid_ft(ns, NULL); + } else if (BFA_FCS_VPORT_IS_TARGET_MODE(ns->port)) { + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online); + } + /* + * kick off mgmt srvr state machine + */ + bfa_fcs_port_ms_online(ns->port); + break; + + case NSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rff_id_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer, + bfa_fcs_port_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_discard(ns->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_rff_id_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rff_id); + bfa_fcs_port_ns_send_rff_id(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_assert(0); + } +} +static void +bfa_fcs_port_ns_sm_sending_gid_ft(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_GIDFT_SENT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_gid_ft); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_gid_ft(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_OK: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online); + break; + + case NSSM_EVENT_RSP_ERROR: + /* + * TBD: for certain reject codes, we don't need to retry + */ + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_gid_ft_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer, + bfa_fcs_port_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_fcxp_discard(ns->fcxp); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_gid_ft_retry(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_gid_ft); + bfa_fcs_port_ns_send_gid_ft(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_ns_sm_online(struct bfa_fcs_port_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); + break; + + case NSSM_EVENT_NS_QUERY: + /* + * If the port role is Initiator Mode issue NS query. + * If it is Target Mode, skip this and go to online. + */ + if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) { + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_gid_ft); + bfa_fcs_port_ns_send_gid_ft(ns, NULL); + }; + break; + + default: + bfa_assert(0); + } +} + + + +/** + * ns_pvt Nameserver local functions + */ + +static void +bfa_fcs_port_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ns_s *ns = ns_cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_plogi_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_port_ns_send_plogi, ns); + return; + } + ns->fcxp = fcxp; + + len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_os_hton3b(FC_NAME_SERVER), + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_pport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_plogi_response, + (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + port->stats.ns_plogi_sent++; + + bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT); +} + +static void +bfa_fcs_port_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg; + struct bfa_fcs_port_s *port = ns->port; + /* struct fc_logi_s *plogi_resp; */ + struct fc_els_cmd_s *els_cmd; + struct fc_ls_rjt_s *ls_rjt; + + bfa_trc(port->fcs, req_status); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_plogi_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + + switch (els_cmd->els_code) { + + case FC_ELS_ACC: + if (rsp_len < sizeof(struct fc_logi_s)) { + bfa_trc(port->fcs, rsp_len); + port->stats.ns_plogi_acc_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + break; + } + port->stats.ns_plogi_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + break; + + case FC_ELS_LS_RJT: + ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); + + bfa_trc(port->fcs, ls_rjt->reason_code); + bfa_trc(port->fcs, ls_rjt->reason_code_expl); + + port->stats.ns_rejects++; + + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + break; + + default: + port->stats.ns_plogi_unknown_rsp++; + bfa_trc(port->fcs, els_cmd->els_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + } +} + +/** + * Register the symbolic port name. + */ +static void +bfa_fcs_port_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ns_s *ns = ns_cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + u8 symbl[256]; + u8 *psymbl = &symbl[0]; + + bfa_os_memset(symbl, 0, sizeof(symbl)); + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_rspnid_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_port_ns_send_rspn_id, ns); + return; + } + ns->fcxp = fcxp; + + /* + * for V-Port, form a Port Symbolic Name + */ + if (port->vport) { + /**For Vports, + * we append the vport's port symbolic name to that of the base port. + */ + + strncpy((char *)psymbl, + (char *) + &(bfa_fcs_port_get_psym_name + (bfa_fcs_get_base_port(port->fcs))), + strlen((char *) + &bfa_fcs_port_get_psym_name(bfa_fcs_get_base_port + (port->fcs)))); + + /* + * Ensure we have a null terminating string. + */ + ((char *) + psymbl)[strlen((char *) + &bfa_fcs_port_get_psym_name + (bfa_fcs_get_base_port(port->fcs)))] = 0; + + strncat((char *)psymbl, + (char *)&(bfa_fcs_port_get_psym_name(port)), + strlen((char *)&bfa_fcs_port_get_psym_name(port))); + } else { + psymbl = (u8 *) &(bfa_fcs_port_get_psym_name(port)); + } + + len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_port_get_fcid(port), 0, psymbl); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rspn_id_response, + (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + + port->stats.ns_rspnid_sent++; + + bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT); +} + +static void +bfa_fcs_port_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_rspnid_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + port->stats.ns_rspnid_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + return; + } + + port->stats.ns_rspnid_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); +} + +/** + * Register FC4-Types + * TBD, Need to retrieve this from the OS driver, in case IPFC is enabled ? + */ +static void +bfa_fcs_port_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ns_s *ns = ns_cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_rftid_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_port_ns_send_rft_id, ns); + return; + } + ns->fcxp = fcxp; + + len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_port_get_fcid(port), 0, + port->port_cfg.roles); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rft_id_response, + (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + + port->stats.ns_rftid_sent++; + bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT); +} + +static void +bfa_fcs_port_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_rftid_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + port->stats.ns_rftid_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + return; + } + + port->stats.ns_rftid_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); +} + +/** +* Register FC4-Features : Should be done after RFT_ID + */ +static void +bfa_fcs_port_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ns_s *ns = ns_cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + u8 fc4_ftrs = 0; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_rffid_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_port_ns_send_rff_id, ns); + return; + } + ns->fcxp = fcxp; + + if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) { + fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR; + } else if (BFA_FCS_VPORT_IS_TARGET_MODE(ns->port)) { + fc4_ftrs = FC_GS_FCP_FC4_FEATURE_TARGET; + } + + len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_port_get_fcid(port), 0, FC_TYPE_FCP, + fc4_ftrs); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rff_id_response, + (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + + port->stats.ns_rffid_sent++; + bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT); +} + +static void +bfa_fcs_port_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_rffid_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + port->stats.ns_rffid_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + return; + } + + port->stats.ns_rffid_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + + if (cthdr->reason_code == CT_RSN_NOT_SUPP) { + /* + * if this command is not supported, we don't retry + */ + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + } else { + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + } +} + +/** + * Query Fabric for FC4-Types Devices. + * +* TBD : Need to use a local (FCS private) response buffer, since the response + * can be larger than 2K. + */ +static void +bfa_fcs_port_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_port_ns_s *ns = ns_cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_gidft_alloc_wait++; + bfa_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_port_ns_send_gid_ft, ns); + return; + } + ns->fcxp = fcxp; + + /* + * This query is only initiated for FCP initiator mode. + */ + len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), ns->port->pid, + FC_TYPE_FCP); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_gid_ft_response, + (void *)ns, bfa_fcxp_get_maxrsp(port->fcs->bfa), + FC_RA_TOV); + + port->stats.ns_gidft_sent++; + + bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT); +} + +static void +bfa_fcs_port_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)cbarg; + struct bfa_fcs_port_s *port = ns->port; + struct ct_hdr_s *cthdr = NULL; + u32 n_pids; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_gidft_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + if (resid_len != 0) { + /* + * TBD : we will need to allocate a larger buffer & retry the + * command + */ + bfa_trc(port->fcs, rsp_len); + bfa_trc(port->fcs, resid_len); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + switch (cthdr->cmd_rsp_code) { + + case CT_RSP_ACCEPT: + + port->stats.ns_gidft_accepts++; + n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32)); + bfa_trc(port->fcs, n_pids); + bfa_fcs_port_ns_process_gidft_pids(port, + (u32 *) (cthdr + 1), + n_pids); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + break; + + case CT_RSP_REJECT: + + /* + * Check the reason code & explanation. + * There may not have been any FC4 devices in the fabric + */ + port->stats.ns_gidft_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + + if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF) + && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) { + + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + } else { + /* + * for all other errors, retry + */ + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + } + break; + + default: + port->stats.ns_gidft_unknown_rsp++; + bfa_trc(port->fcs, cthdr->cmd_rsp_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + } +} + +/** + * This routine will be called by bfa_timer on timer timeouts. + * + * param[in] port - pointer to bfa_fcs_port_t. + * + * return + * void + * +* Special Considerations: + * + * note + */ +static void +bfa_fcs_port_ns_timeout(void *arg) +{ + struct bfa_fcs_port_ns_s *ns = (struct bfa_fcs_port_ns_s *)arg; + + ns->port->stats.ns_timeouts++; + bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT); +} + +/* + * Process the PID list in GID_FT response + */ +static void +bfa_fcs_port_ns_process_gidft_pids(struct bfa_fcs_port_s *port, + u32 *pid_buf, u32 n_pids) +{ + struct fcgs_gidft_resp_s *gidft_entry; + struct bfa_fcs_rport_s *rport; + u32 ii; + + for (ii = 0; ii < n_pids; ii++) { + gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii]; + + if (gidft_entry->pid == port->pid) + continue; + + /* + * Check if this rport already exists + */ + rport = bfa_fcs_port_get_rport_by_pid(port, gidft_entry->pid); + if (rport == NULL) { + /* + * this is a new device. create rport + */ + rport = bfa_fcs_rport_create(port, gidft_entry->pid); + } else { + /* + * this rport already exists + */ + bfa_fcs_rport_scn(rport); + } + + bfa_trc(port->fcs, gidft_entry->pid); + + /* + * if the last entry bit is set, bail out. + */ + if (gidft_entry->last) + return; + } +} + +/** + * fcs_ns_public FCS nameserver public interfaces + */ + +/* + * Functions called by port/fab. + * These will send relevant Events to the ns state machine. + */ +void +bfa_fcs_port_ns_init(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + ns->port = port; + bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline); +} + +void +bfa_fcs_port_ns_offline(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + ns->port = port; + bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE); +} + +void +bfa_fcs_port_ns_online(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + ns->port = port; + bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE); +} + +void +bfa_fcs_port_ns_query(struct bfa_fcs_port_s *port) +{ + struct bfa_fcs_port_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + bfa_trc(port->fcs, port->pid); + bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY); +} + +static void +bfa_fcs_port_ns_boot_target_disc(struct bfa_fcs_port_s *port) +{ + + struct bfa_fcs_rport_s *rport; + u8 nwwns; + wwn_t *wwns; + int ii; + + bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, &wwns); + + for (ii = 0; ii < nwwns; ++ii) { + rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]); + bfa_assert(rport); + } +} + + -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/