From ebfe83921bd860e0b28a1a74e90be57baf2c8255 Mon Sep 17 00:00:00 2001 From: Krishna Gudipati Date: Wed, 22 Aug 2012 19:50:20 -0700 Subject: [SCSI] bfa: Support vport symbolic name change from sysfs. - Implemented the FC function template set_vport_symbolic_name entry point to modify the vport symbolic name from sysfs. - Implemented support to send RSPN_ID to switch to register the modified vport symbolic name. Signed-off-by: Krishna Gudipati Signed-off-by: James Bottomley --- drivers/scsi/bfa/bfa_fcs_lport.c | 63 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) (limited to 'drivers/scsi/bfa/bfa_fcs_lport.c') diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c index bcc4966e8ba4..f8e801747ea7 100644 --- a/drivers/scsi/bfa/bfa_fcs_lport.c +++ b/drivers/scsi/bfa/bfa_fcs_lport.c @@ -4355,6 +4355,69 @@ bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port) } } +void +bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_lport_ns_s *ns = cbarg; + struct bfa_fcs_lport_s *port = ns->port; + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + u8 symbl[256]; + u8 *psymbl = &symbl[0]; + int len; + + if (!bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online)) + return; + + /* Avoid sending RSPN in the following states. */ + if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) || + bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) || + bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) || + bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) || + bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry)) + return; + + 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_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_lport_ns_util_send_rspn_id, ns); + return; + } + + ns->fcxp = fcxp; + + 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_lport_get_psym_name + (bfa_fcs_get_base_port(port->fcs))), + strlen((char *)&bfa_fcs_lport_get_psym_name( + bfa_fcs_get_base_port(port->fcs)))); + + /* Ensure we have a null terminating string. */ + ((char *)psymbl)[strlen((char *)&bfa_fcs_lport_get_psym_name( + bfa_fcs_get_base_port(port->fcs)))] = 0; + + strncat((char *)psymbl, + (char *)&(bfa_fcs_lport_get_psym_name(port)), + strlen((char *)&bfa_fcs_lport_get_psym_name(port))); + } + + len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_lport_get_fcid(port), 0, psymbl); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); + + port->stats.ns_rspnid_sent++; +} + /* * FCS SCN */ -- cgit v1.2.3-55-g7522