/*
* csio_reg_rnode - Register a remote port with FC transport.
* @rn: Rnode representing remote port.
*
* Call fc_remote_port_add() to register this remote port with FC transport.
* If remote port is Initiator OR Target OR both, change the role appropriately.
*
*/
void
csio_reg_rnode(struct csio_rnode *rn)
{
struct csio_lnode *ln = csio_rnode_to_lnode(rn);
struct Scsi_Host *shost = csio_ln_to_shost(ln);
struct fc_rport_identifiers ids;
struct fc_rport *rport;
struct csio_service_parms *sp;
ids.node_name = wwn_to_u64(csio_rn_wwnn(rn));
ids.port_name = wwn_to_u64(csio_rn_wwpn(rn));
ids.port_id = rn->nport_id;
ids.roles = FC_RPORT_ROLE_UNKNOWN;
if (rn->role & CSIO_RNFR_INITIATOR || rn->role & CSIO_RNFR_TARGET) {
rport = rn->rport;
CSIO_ASSERT(rport != NULL);
goto update_role;
}
rn->rport = fc_remote_port_add(shost, 0, &ids);
if (!rn->rport) {
csio_ln_err(ln, "Failed to register rport = 0x%x.\n",
rn->nport_id);
return;
}
ln->num_reg_rnodes++;
rport = rn->rport;
spin_lock_irq(shost->host_lock);
*((struct csio_rnode **)rport->dd_data) = rn;
spin_unlock_irq(shost->host_lock);
sp = &rn->rn_sparm;
rport->maxframe_size = ntohs(sp->csp.sp_bb_data);
if (ntohs(sp->clsp[2].cp_class) & FC_CPC_VALID)
rport->supported_classes = FC_COS_CLASS3;
else
rport->supported_classes = FC_COS_UNSPECIFIED;
update_role:
if (rn->role & CSIO_RNFR_INITIATOR)
ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
if (rn->role & CSIO_RNFR_TARGET)
ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
if (ids.roles != FC_RPORT_ROLE_UNKNOWN)
fc_remote_port_rolechg(rport, ids.roles);
rn->scsi_id = rport->scsi_target_id;
csio_ln_dbg(ln, "Remote port x%x role 0x%x registered\n",
rn->nport_id, ids.roles);
}
static int
bfad_im_vport_disable(struct fc_vport *fc_vport, bool disable)
{
struct bfad_vport_s *vport;
struct bfad_s *bfad;
struct bfa_fcs_vport_s *fcs_vport;
struct Scsi_Host *vshost;
wwn_t pwwn;
unsigned long flags;
vport = (struct bfad_vport_s *)fc_vport->dd_data;
bfad = vport->drv_port.bfad;
vshost = vport->drv_port.im_port->shost;
pwwn = wwn_to_u64((u8 *) &fc_vport->port_name);
spin_lock_irqsave(&bfad->bfad_lock, flags);
fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (fcs_vport == NULL)
return VPCERR_BAD_WWN;
if (disable) {
bfa_fcs_vport_stop(fcs_vport);
fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
} else {
bfa_fcs_vport_start(fcs_vport);
fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
}
return 0;
}
/*
* csio_fchost_attr_init - Initialize FC transport attributes
* @ln: Lnode.
*
*/
void
csio_fchost_attr_init(struct csio_lnode *ln)
{
struct Scsi_Host *shost = csio_ln_to_shost(ln);
fc_host_node_name(shost) = wwn_to_u64(csio_ln_wwnn(ln));
fc_host_port_name(shost) = wwn_to_u64(csio_ln_wwpn(ln));
fc_host_supported_classes(shost) = FC_COS_CLASS3;
fc_host_max_npiv_vports(shost) =
(csio_lnode_to_hw(ln))->fres_info.max_vnps;
fc_host_supported_speeds(shost) = FC_PORTSPEED_10GBIT |
FC_PORTSPEED_1GBIT;
fc_host_maxframe_size(shost) = ntohs(ln->ln_sparm.csp.sp_bb_data);
memset(fc_host_supported_fc4s(shost), 0,
sizeof(fc_host_supported_fc4s(shost)));
fc_host_supported_fc4s(shost)[7] = 1;
memset(fc_host_active_fc4s(shost), 0,
sizeof(fc_host_active_fc4s(shost)));
fc_host_active_fc4s(shost)[7] = 1;
}
/*
* csio_get_host_fabric_name - Return fabric name
* @shost: scsi host.
*
*/
static void
csio_get_host_fabric_name(struct Scsi_Host *shost)
{
struct csio_lnode *ln = shost_priv(shost);
struct csio_rnode *rn = NULL;
struct csio_hw *hw = csio_lnode_to_hw(ln);
spin_lock_irq(&hw->lock);
rn = csio_rnode_lookup_portid(ln, FC_FID_FLOGI);
if (rn)
fc_host_fabric_name(shost) = wwn_to_u64(csio_rn_wwnn(rn));
else
fc_host_fabric_name(shost) = 0;
spin_unlock_irq(&hw->lock);
}
static int
bfad_im_vport_delete(struct fc_vport *fc_vport)
{
struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) vport->drv_port.im_port;
struct bfad_s *bfad = im_port->bfad;
struct bfad_port_s *port;
struct bfa_fcs_vport_s *fcs_vport;
struct Scsi_Host *vshost;
wwn_t pwwn;
int rc;
unsigned long flags;
struct completion fcomp;
if (im_port->flags & BFAD_PORT_DELETE)
goto free_scsi_host;
port = im_port->port;
vshost = vport->drv_port.im_port->shost;
pwwn = wwn_to_u64((u8 *) &fc_host_port_name(vshost));
spin_lock_irqsave(&bfad->bfad_lock, flags);
fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (fcs_vport == NULL)
return VPCERR_BAD_WWN;
vport->drv_port.flags |= BFAD_PORT_DELETE;
vport->comp_del = &fcomp;
init_completion(vport->comp_del);
spin_lock_irqsave(&bfad->bfad_lock, flags);
rc = bfa_fcs_vport_delete(&vport->fcs_vport);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
wait_for_completion(vport->comp_del);
free_scsi_host:
bfad_os_scsi_host_free(bfad, im_port);
kfree(vport);
return 0;
}
static int
csio_vport_create(struct fc_vport *fc_vport, bool disable)
{
struct Scsi_Host *shost = fc_vport->shost;
struct csio_lnode *pln = shost_priv(shost);
struct csio_lnode *ln = NULL;
struct csio_hw *hw = csio_lnode_to_hw(pln);
uint8_t wwn[8];
int ret = -1;
ln = csio_shost_init(hw, &fc_vport->dev, false, pln);
if (!ln)
goto error;
if (fc_vport->node_name != 0) {
u64_to_wwn(fc_vport->node_name, wwn);
if (!CSIO_VALID_WWN(wwn)) {
csio_ln_err(ln,
"vport create failed. Invalid wwnn\n");
goto error;
}
memcpy(csio_ln_wwnn(ln), wwn, 8);
}
if (fc_vport->port_name != 0) {
u64_to_wwn(fc_vport->port_name, wwn);
if (!CSIO_VALID_WWN(wwn)) {
csio_ln_err(ln,
"vport create failed. Invalid wwpn\n");
goto error;
}
if (csio_lnode_lookup_by_wwpn(hw, wwn)) {
csio_ln_err(ln,
"vport create failed. wwpn already exists\n");
goto error;
}
memcpy(csio_ln_wwpn(ln), wwn, 8);
}
fc_vport_set_state(fc_vport, FC_VPORT_INITIALIZING);
if (csio_fcoe_alloc_vnp(hw, ln))
goto error;
*(struct csio_lnode **)fc_vport->dd_data = ln;
ln->fc_vport = fc_vport;
if (!fc_vport->node_name)
fc_vport->node_name = wwn_to_u64(csio_ln_wwnn(ln));
if (!fc_vport->port_name)
fc_vport->port_name = wwn_to_u64(csio_ln_wwpn(ln));
csio_fchost_attr_init(ln);
return 0;
error:
if (ln)
csio_shost_exit(ln);
return ret;
}
static int
bfad_im_vport_create(struct fc_vport *fc_vport, bool disable)
{
char *vname = fc_vport->symbolic_name;
struct Scsi_Host *shost = fc_vport->shost;
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_port_cfg_s port_cfg;
int status = 0, rc;
unsigned long flags;
memset(&port_cfg, 0, sizeof(port_cfg));
port_cfg.pwwn = wwn_to_u64((u8 *) &fc_vport->port_name);
port_cfg.nwwn = wwn_to_u64((u8 *) &fc_vport->node_name);
if (strlen(vname) > 0)
strcpy((char *)&port_cfg.sym_name, vname);
port_cfg.roles = BFA_PORT_ROLE_FCP_IM;
rc = bfad_vport_create(bfad, 0, &port_cfg, &fc_vport->dev);
if (rc == BFA_STATUS_OK) {
struct bfad_vport_s *vport;
struct bfa_fcs_vport_s *fcs_vport;
struct Scsi_Host *vshost;
spin_lock_irqsave(&bfad->bfad_lock, flags);
fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0,
port_cfg.pwwn);
if (fcs_vport == NULL) {
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
return VPCERR_BAD_WWN;
}
fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
if (disable) {
bfa_fcs_vport_stop(fcs_vport);
fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
}
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
vport = fcs_vport->vport_drv;
vshost = vport->drv_port.im_port->shost;
fc_host_node_name(vshost) = wwn_to_u64((u8 *) &port_cfg.nwwn);
fc_host_port_name(vshost) = wwn_to_u64((u8 *) &port_cfg.pwwn);
fc_vport->dd_data = vport;
vport->drv_port.im_port->fc_vport = fc_vport;
} else if (rc == BFA_STATUS_INVALID_WWN)
return VPCERR_BAD_WWN;
else if (rc == BFA_STATUS_VPORT_EXISTS)
return VPCERR_BAD_WWN;
else if (rc == BFA_STATUS_VPORT_MAX)
return VPCERR_NO_FABRIC_SUPP;
else if (rc == BFA_STATUS_VPORT_WWN_BP)
return VPCERR_BAD_WWN;
else
return FC_VPORT_FAILED;
return status;
}