static void
csio_vport_set_state(struct csio_lnode *ln)
{
struct fc_vport *fc_vport = ln->fc_vport;
struct csio_lnode *pln = ln->pln;
char state[16];
/* Set fc vport state based on phyiscal lnode */
csio_lnode_state_to_str(pln, state);
if (strcmp(state, "READY")) {
fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
return;
}
if (!(pln->flags & CSIO_LNF_NPIVSUPP)) {
fc_vport_set_state(fc_vport, FC_VPORT_NO_FABRIC_SUPP);
return;
}
/* Set fc vport state based on virtual lnode */
csio_lnode_state_to_str(ln, state);
if (strcmp(state, "READY")) {
fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
return;
}
fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
}
static int
csio_vport_disable(struct fc_vport *fc_vport, bool disable)
{
struct csio_lnode *ln = *(struct csio_lnode **)fc_vport->dd_data;
struct Scsi_Host *shost = csio_ln_to_shost(ln);
struct csio_hw *hw = csio_lnode_to_hw(ln);
/* disable vport */
if (disable) {
/* Quiesce ios and send stop event to lnode */
scsi_block_requests(shost);
spin_lock_irq(&hw->lock);
csio_scsim_cleanup_io_lnode(csio_hw_to_scsim(hw), ln);
csio_lnode_stop(ln);
spin_unlock_irq(&hw->lock);
scsi_unblock_requests(shost);
/* Free vnp */
csio_fcoe_free_vnp(hw, ln);
fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
csio_ln_err(ln, "vport disabled\n");
return 0;
} else {
/* enable vport */
fc_vport_set_state(fc_vport, FC_VPORT_INITIALIZING);
if (csio_fcoe_alloc_vnp(hw, ln)) {
csio_ln_err(ln, "vport enabled failed.\n");
return -1;
}
csio_ln_err(ln, "vport enabled\n");
return 0;
}
}
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;
}
/**
* fc_lport_enter_reset() - Reset the local port
* @lport: The local port to be reset
*
* Locking Note: The lport lock is expected to be held before calling
* this routine.
*/
static void fc_lport_enter_reset(struct fc_lport *lport)
{
FC_LPORT_DBG(lport, "Entered RESET state from %s state\n",
fc_lport_state(lport));
if (lport->vport) {
if (lport->link_up)
fc_vport_set_state(lport->vport, FC_VPORT_INITIALIZING);
else
fc_vport_set_state(lport->vport, FC_VPORT_LINKDOWN);
}
fc_lport_state_enter(lport, LPORT_ST_RESET);
fc_vports_linkchange(lport);
fc_lport_reset_locked(lport);
if (lport->link_up)
fc_lport_enter_flogi(lport);
}
/**
* fc_rport_enter_ready() - Enter the ready state and start discovery
* @lport: The local port that is ready
*
* Locking Note: The lport lock is expected to be held before calling
* this routine.
*/
static void fc_lport_enter_ready(struct fc_lport *lport)
{
FC_LPORT_DBG(lport, "Entered READY from state %s\n",
fc_lport_state(lport));
fc_lport_state_enter(lport, LPORT_ST_READY);
if (lport->vport)
fc_vport_set_state(lport->vport, FC_VPORT_ACTIVE);
fc_vports_linkchange(lport);
if (!lport->ptp_rdata)
lport->tt.disc_start(fc_lport_disc_callback, lport);
}
static void fc_lport_enter_reset(struct fc_lport *lport)
{
FC_LPORT_DBG(lport, "Entered RESET state from %s state\n",
fc_lport_state(lport));
if (lport->state == LPORT_ST_DISABLED || lport->state == LPORT_ST_LOGO)
return;
if (lport->vport) {
if (lport->link_up)
fc_vport_set_state(lport->vport, FC_VPORT_INITIALIZING);
else
fc_vport_set_state(lport->vport, FC_VPORT_LINKDOWN);
}
fc_lport_state_enter(lport, LPORT_ST_RESET);
fc_host_post_event(lport->host, fc_get_event_number(),
FCH_EVT_LIPRESET, 0);
fc_vports_linkchange(lport);
fc_lport_reset_locked(lport);
if (lport->link_up)
fc_lport_enter_flogi(lport);
}
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;
}
