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kernel_samsung_sm7125/drivers/scsi/bfa/vport.c

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/*
* Copyright (c) 2005-2009 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.
*/
/**
* bfa_fcs_vport.c FCS virtual port state machine
*/
#include <bfa.h>
#include <bfa_svc.h>
#include <fcbuild.h>
#include "fcs_fabric.h"
#include "fcs_lport.h"
#include "fcs_vport.h"
#include "fcs_trcmod.h"
#include "fcs.h"
#include <aen/bfa_aen_lport.h>
BFA_TRC_FILE(FCS, VPORT);
#define __vport_fcs(__vp) ((__vp)->lport.fcs)
#define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn)
#define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn)
#define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa)
#define __vport_fcid(__vp) ((__vp)->lport.pid)
#define __vport_fabric(__vp) ((__vp)->lport.fabric)
#define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id)
#define BFA_FCS_VPORT_MAX_RETRIES 5
/*
* Forward declarations
*/
static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
static void bfa_fcs_vport_timeout(void *vport_arg);
static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
/**
* fcs_vport_sm FCS virtual port state machine
*/
/**
* VPort State Machine events
*/
enum bfa_fcs_vport_event {
BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */
BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */
BFA_FCS_VPORT_SM_START = 3, /* vport start request */
BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */
BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */
BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */
BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */
BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */
BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */
BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */
BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */
BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error */
BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
};
static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event);
static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event);
static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event);
static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event);
static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event);
static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event);
static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event);
static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event);
static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event);
static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event);
static struct bfa_sm_table_s vport_sm_table[] = {
{BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
{BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
{BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
{BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
{BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
{BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
{BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
{BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
{BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
{BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
};
/**
* Beginning state.
*/
static void
bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_CREATE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
break;
default:
bfa_assert(0);
}
}
/**
* Created state - a start event is required to start up the state machine.
*/
static void
bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_START:
if (bfa_fcs_fabric_is_online(__vport_fabric(vport))
&& bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
bfa_fcs_vport_do_fdisc(vport);
} else {
/**
* Fabric is offline or not NPIV capable, stay in
* offline state.
*/
vport->vport_stats.fab_no_npiv++;
bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
}
break;
case BFA_FCS_VPORT_SM_DELETE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
bfa_fcs_port_delete(&vport->lport);
break;
case BFA_FCS_VPORT_SM_ONLINE:
case BFA_FCS_VPORT_SM_OFFLINE:
/**
* Ignore ONLINE/OFFLINE events from fabric till vport is started.
*/
break;
default:
bfa_assert(0);
}
}
/**
* Offline state - awaiting ONLINE event from fabric SM.
*/
static void
bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_DELETE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
bfa_fcs_port_delete(&vport->lport);
break;
case BFA_FCS_VPORT_SM_ONLINE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
vport->fdisc_retries = 0;
bfa_fcs_vport_do_fdisc(vport);
break;
case BFA_FCS_VPORT_SM_OFFLINE:
/*
* This can happen if the vport couldn't be initialzied due
* the fact that the npiv was not enabled on the switch. In
* that case we will put the vport in offline state. However,
* the link can go down and cause the this event to be sent when
* we are already offline. Ignore it.
*/
break;
default:
bfa_assert(0);
}
}
/**
* FDISC is sent and awaiting reply from fabric.
*/
static void
bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_DELETE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
bfa_lps_discard(vport->lps);
bfa_fcs_vport_do_logo(vport);
break;
case BFA_FCS_VPORT_SM_OFFLINE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
bfa_lps_discard(vport->lps);
break;
case BFA_FCS_VPORT_SM_RSP_OK:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
bfa_fcs_port_online(&vport->lport);
break;
case BFA_FCS_VPORT_SM_RSP_ERROR:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
bfa_timer_start(__vport_bfa(vport), &vport->timer,
bfa_fcs_vport_timeout, vport,
BFA_FCS_RETRY_TIMEOUT);
break;
case BFA_FCS_VPORT_SM_RSP_FAILED:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
break;
case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
break;
default:
bfa_assert(0);
}
}
/**
* FDISC attempt failed - a timer is active to retry FDISC.
*/
static void
bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_DELETE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
bfa_timer_stop(&vport->timer);
bfa_fcs_port_delete(&vport->lport);
break;
case BFA_FCS_VPORT_SM_OFFLINE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
bfa_timer_stop(&vport->timer);
break;
case BFA_FCS_VPORT_SM_TIMEOUT:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
vport->vport_stats.fdisc_retries++;
vport->fdisc_retries++;
bfa_fcs_vport_do_fdisc(vport);
break;
default:
bfa_assert(0);
}
}
/**
* Vport is online (FDISC is complete).
*/
static void
bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_DELETE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
bfa_fcs_port_delete(&vport->lport);
break;
case BFA_FCS_VPORT_SM_OFFLINE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
bfa_lps_discard(vport->lps);
bfa_fcs_port_offline(&vport->lport);
break;
default:
bfa_assert(0);
}
}
/**
* Vport is being deleted - awaiting lport delete completion to send
* LOGO to fabric.
*/
static void
bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_DELETE:
break;
case BFA_FCS_VPORT_SM_DELCOMP:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
bfa_fcs_vport_do_logo(vport);
break;
case BFA_FCS_VPORT_SM_OFFLINE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
break;
default:
bfa_assert(0);
}
}
/**
* Error State.
* This state will be set when the Vport Creation fails due to errors like
* Dup WWN. In this state only operation allowed is a Vport Delete.
*/
static void
bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_DELETE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
bfa_fcs_vport_free(vport);
break;
default:
bfa_trc(__vport_fcs(vport), event);
}
}
/**
* Lport cleanup is in progress since vport is being deleted. Fabric is
* offline, so no LOGO is needed to complete vport deletion.
*/
static void
bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_DELCOMP:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
bfa_fcs_vport_free(vport);
break;
case BFA_FCS_VPORT_SM_DELETE:
break;
default:
bfa_assert(0);
}
}
/**
* LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
* is done.
*/
static void
bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_OFFLINE:
bfa_lps_discard(vport->lps);
/*
* !!! fall through !!!
*/
case BFA_FCS_VPORT_SM_RSP_OK:
case BFA_FCS_VPORT_SM_RSP_ERROR:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
bfa_fcs_vport_free(vport);
break;
case BFA_FCS_VPORT_SM_DELETE:
break;
default:
bfa_assert(0);
}
}
/**
* fcs_vport_private FCS virtual port private functions
*/
/**
* Send AEN notification
*/
static void
bfa_fcs_vport_aen_post(bfa_fcs_lport_t *port, enum bfa_lport_aen_event event)
{
union bfa_aen_data_u aen_data;
struct bfa_log_mod_s *logmod = port->fcs->logm;
enum bfa_port_role role = port->port_cfg.roles;
wwn_t lpwwn = bfa_fcs_port_get_pwwn(port);
char lpwwn_ptr[BFA_STRING_32];
char *role_str[BFA_PORT_ROLE_FCP_MAX / 2 + 1] =
{ "Initiator", "Target", "IPFC" };
wwn2str(lpwwn_ptr, lpwwn);
bfa_assert(role <= BFA_PORT_ROLE_FCP_MAX);
switch (event) {
case BFA_LPORT_AEN_NPIV_DUP_WWN:
bfa_log(logmod, BFA_AEN_LPORT_NPIV_DUP_WWN, lpwwn_ptr,
role_str[role / 2]);
break;
case BFA_LPORT_AEN_NPIV_FABRIC_MAX:
bfa_log(logmod, BFA_AEN_LPORT_NPIV_FABRIC_MAX, lpwwn_ptr,
role_str[role / 2]);
break;
case BFA_LPORT_AEN_NPIV_UNKNOWN:
bfa_log(logmod, BFA_AEN_LPORT_NPIV_UNKNOWN, lpwwn_ptr,
role_str[role / 2]);
break;
default:
break;
}
aen_data.lport.vf_id = port->fabric->vf_id;
aen_data.lport.roles = role;
aen_data.lport.ppwwn =
bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(port->fcs));
aen_data.lport.lpwwn = lpwwn;
}
/**
* This routine will be called to send a FDISC command.
*/
static void
bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
{
bfa_lps_fdisc(vport->lps, vport,
bfa_pport_get_maxfrsize(__vport_bfa(vport)),
__vport_pwwn(vport), __vport_nwwn(vport));
vport->vport_stats.fdisc_sent++;
}
static void
bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
{
u8 lsrjt_rsn = bfa_lps_get_lsrjt_rsn(vport->lps);
u8 lsrjt_expl = bfa_lps_get_lsrjt_expl(vport->lps);
bfa_trc(__vport_fcs(vport), lsrjt_rsn);
bfa_trc(__vport_fcs(vport), lsrjt_expl);
/*
* For certain reason codes, we don't want to retry.
*/
switch (bfa_lps_get_lsrjt_expl(vport->lps)) {
case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
else {
bfa_fcs_vport_aen_post(&vport->lport,
BFA_LPORT_AEN_NPIV_DUP_WWN);
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
}
break;
case FC_LS_RJT_EXP_INSUFF_RES:
/*
* This means max logins per port/switch setting on the
* switch was exceeded.
*/
if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
else {
bfa_fcs_vport_aen_post(&vport->lport,
BFA_LPORT_AEN_NPIV_FABRIC_MAX);
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
}
break;
default:
if (vport->fdisc_retries == 0) /* Print only once */
bfa_fcs_vport_aen_post(&vport->lport,
BFA_LPORT_AEN_NPIV_UNKNOWN);
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
}
}
/**
* Called to send a logout to the fabric. Used when a V-Port is
* deleted/stopped.
*/
static void
bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
vport->vport_stats.logo_sent++;
bfa_lps_fdisclogo(vport->lps);
}
/**
* This routine will be called by bfa_timer on timer timeouts.
*
* param[in] vport - pointer to bfa_fcs_vport_t.
* param[out] vport_status - pointer to return vport status in
*
* return
* void
*
* Special Considerations:
*
* note
*/
static void
bfa_fcs_vport_timeout(void *vport_arg)
{
struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *)vport_arg;
vport->vport_stats.fdisc_timeouts++;
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
}
static void
bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
{
bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
bfa_fcb_vport_delete(vport->vport_drv);
bfa_lps_delete(vport->lps);
}
/**
* fcs_vport_public FCS virtual port public interfaces
*/
/**
* Online notification from fabric SM.
*/
void
bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
{
vport->vport_stats.fab_online++;
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
}
/**
* Offline notification from fabric SM.
*/
void
bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
{
vport->vport_stats.fab_offline++;
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
}
/**
* Cleanup notification from fabric SM on link timer expiry.
*/
void
bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
{
vport->vport_stats.fab_cleanup++;
}
/**
* Delete completion callback from associated lport
*/
void
bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
{
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
}
/**
* Module initialization
*/
void
bfa_fcs_vport_modinit(struct bfa_fcs_s *fcs)
{
}
/**
* Module cleanup
*/
void
bfa_fcs_vport_modexit(struct bfa_fcs_s *fcs)
{
bfa_fcs_modexit_comp(fcs);
}
u32
bfa_fcs_vport_get_max(struct bfa_fcs_s *fcs)
{
struct bfa_ioc_attr_s ioc_attr;
bfa_get_attr(fcs->bfa, &ioc_attr);
if (ioc_attr.pci_attr.device_id == BFA_PCI_DEVICE_ID_CT)
return BFA_FCS_MAX_VPORTS_SUPP_CT;
else
return BFA_FCS_MAX_VPORTS_SUPP_CB;
}
/**
* fcs_vport_api Virtual port API
*/
/**
* Use this function to instantiate a new FCS vport object. This
* function will not trigger any HW initialization process (which will be
* done in vport_start() call)
*
* param[in] vport - pointer to bfa_fcs_vport_t. This space
* needs to be allocated by the driver.
* param[in] fcs - FCS instance
* param[in] vport_cfg - vport configuration
* param[in] vf_id - VF_ID if vport is created within a VF.
* FC_VF_ID_NULL to specify base fabric.
* param[in] vport_drv - Opaque handle back to the driver's vport
* structure
*
* retval BFA_STATUS_OK - on success.
* retval BFA_STATUS_FAILED - on failure.
*/
bfa_status_t
bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
u16 vf_id, struct bfa_port_cfg_s *vport_cfg,
struct bfad_vport_s *vport_drv)
{
if (vport_cfg->pwwn == 0)
return BFA_STATUS_INVALID_WWN;
if (bfa_fcs_port_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
return BFA_STATUS_VPORT_WWN_BP;
if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
return BFA_STATUS_VPORT_EXISTS;
if (bfa_fcs_fabric_vport_count(&fcs->fabric) ==
bfa_fcs_vport_get_max(fcs))
return BFA_STATUS_VPORT_MAX;
vport->lps = bfa_lps_alloc(fcs->bfa);
if (!vport->lps)
return BFA_STATUS_VPORT_MAX;
vport->vport_drv = vport_drv;
bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
bfa_fcs_lport_init(&vport->lport, fcs, vf_id, vport_cfg, vport);
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
return BFA_STATUS_OK;
}
/**
* Use this function initialize the vport.
*
* @param[in] vport - pointer to bfa_fcs_vport_t.
*
* @returns None
*/
bfa_status_t
bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
{
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
return BFA_STATUS_OK;
}
/**
* Use this function quiese the vport object. This function will return
* immediately, when the vport is actually stopped, the
* bfa_drv_vport_stop_cb() will be called.
*
* param[in] vport - pointer to bfa_fcs_vport_t.
*
* return None
*/
bfa_status_t
bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
{
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
return BFA_STATUS_OK;
}
/**
* Use this function to delete a vport object. Fabric object should
* be stopped before this function call.
*
* param[in] vport - pointer to bfa_fcs_vport_t.
*
* return None
*/
bfa_status_t
bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
{
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
return BFA_STATUS_OK;
}
/**
* Use this function to get vport's current status info.
*
* param[in] vport pointer to bfa_fcs_vport_t.
* param[out] attr pointer to return vport attributes
*
* return None
*/
void
bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
struct bfa_vport_attr_s *attr)
{
if (vport == NULL || attr == NULL)
return;
bfa_os_memset(attr, 0, sizeof(struct bfa_vport_attr_s));
bfa_fcs_port_get_attr(&vport->lport, &attr->port_attr);
attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
}
/**
* Use this function to get vport's statistics.
*
* param[in] vport pointer to bfa_fcs_vport_t.
* param[out] stats pointer to return vport statistics in
*
* return None
*/
void
bfa_fcs_vport_get_stats(struct bfa_fcs_vport_s *vport,
struct bfa_vport_stats_s *stats)
{
*stats = vport->vport_stats;
}
/**
* Use this function to clear vport's statistics.
*
* param[in] vport pointer to bfa_fcs_vport_t.
*
* return None
*/
void
bfa_fcs_vport_clr_stats(struct bfa_fcs_vport_s *vport)
{
bfa_os_memset(&vport->vport_stats, 0, sizeof(struct bfa_vport_stats_s));
}
/**
* Lookup a virtual port. Excludes base port from lookup.
*/
struct bfa_fcs_vport_s *
bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
{
struct bfa_fcs_vport_s *vport;
struct bfa_fcs_fabric_s *fabric;
bfa_trc(fcs, vf_id);
bfa_trc(fcs, vpwwn);
fabric = bfa_fcs_vf_lookup(fcs, vf_id);
if (!fabric) {
bfa_trc(fcs, vf_id);
return NULL;
}
vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
return vport;
}
/**
* FDISC Response
*/
void
bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
{
struct bfa_fcs_vport_s *vport = uarg;
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), status);
switch (status) {
case BFA_STATUS_OK:
/*
* Initialiaze the V-Port fields
*/
__vport_fcid(vport) = bfa_lps_get_pid(vport->lps);
vport->vport_stats.fdisc_accepts++;
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
break;
case BFA_STATUS_INVALID_MAC:
/*
* Only for CNA
*/
vport->vport_stats.fdisc_acc_bad++;
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
break;
case BFA_STATUS_EPROTOCOL:
switch (bfa_lps_get_extstatus(vport->lps)) {
case BFA_EPROTO_BAD_ACCEPT:
vport->vport_stats.fdisc_acc_bad++;
break;
case BFA_EPROTO_UNKNOWN_RSP:
vport->vport_stats.fdisc_unknown_rsp++;
break;
default:
break;
}
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
break;
case BFA_STATUS_FABRIC_RJT:
vport->vport_stats.fdisc_rejects++;
bfa_fcs_vport_fdisc_rejected(vport);
break;
default:
vport->vport_stats.fdisc_rsp_err++;
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
}
}
/**
* LOGO response
*/
void
bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
{
struct bfa_fcs_vport_s *vport = uarg;
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
}