diff options
author | Krishna Gudipati <kgudipat@brocade.com> | 2012-08-22 22:50:20 -0400 |
---|---|---|
committer | James Bottomley <JBottomley@Parallels.com> | 2012-09-24 04:10:55 -0400 |
commit | ebfe83921bd860e0b28a1a74e90be57baf2c8255 (patch) | |
tree | 3036edb85d9472a1f1f14032544edbc148f9fa30 /drivers/scsi/bfa/bfa_fcs_lport.c | |
parent | c0e4eaae2e0affb498bd04b2a9923904d3868b26 (diff) |
[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 <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs_lport.c')
-rw-r--r-- | drivers/scsi/bfa/bfa_fcs_lport.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c index bcc4966e8ba..f8e801747ea 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) | |||
4355 | } | 4355 | } |
4356 | } | 4356 | } |
4357 | 4357 | ||
4358 | void | ||
4359 | bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced) | ||
4360 | { | ||
4361 | struct bfa_fcs_lport_ns_s *ns = cbarg; | ||
4362 | struct bfa_fcs_lport_s *port = ns->port; | ||
4363 | struct fchs_s fchs; | ||
4364 | struct bfa_fcxp_s *fcxp; | ||
4365 | u8 symbl[256]; | ||
4366 | u8 *psymbl = &symbl[0]; | ||
4367 | int len; | ||
4368 | |||
4369 | if (!bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online)) | ||
4370 | return; | ||
4371 | |||
4372 | /* Avoid sending RSPN in the following states. */ | ||
4373 | if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) || | ||
4374 | bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) || | ||
4375 | bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) || | ||
4376 | bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) || | ||
4377 | bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry)) | ||
4378 | return; | ||
4379 | |||
4380 | memset(symbl, 0, sizeof(symbl)); | ||
4381 | bfa_trc(port->fcs, port->port_cfg.pwwn); | ||
4382 | |||
4383 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | ||
4384 | if (!fcxp) { | ||
4385 | port->stats.ns_rspnid_alloc_wait++; | ||
4386 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, | ||
4387 | bfa_fcs_lport_ns_util_send_rspn_id, ns); | ||
4388 | return; | ||
4389 | } | ||
4390 | |||
4391 | ns->fcxp = fcxp; | ||
4392 | |||
4393 | if (port->vport) { | ||
4394 | /* | ||
4395 | * For Vports, we append the vport's port symbolic name | ||
4396 | * to that of the base port. | ||
4397 | */ | ||
4398 | strncpy((char *)psymbl, (char *)&(bfa_fcs_lport_get_psym_name | ||
4399 | (bfa_fcs_get_base_port(port->fcs))), | ||
4400 | strlen((char *)&bfa_fcs_lport_get_psym_name( | ||
4401 | bfa_fcs_get_base_port(port->fcs)))); | ||
4402 | |||
4403 | /* Ensure we have a null terminating string. */ | ||
4404 | ((char *)psymbl)[strlen((char *)&bfa_fcs_lport_get_psym_name( | ||
4405 | bfa_fcs_get_base_port(port->fcs)))] = 0; | ||
4406 | |||
4407 | strncat((char *)psymbl, | ||
4408 | (char *)&(bfa_fcs_lport_get_psym_name(port)), | ||
4409 | strlen((char *)&bfa_fcs_lport_get_psym_name(port))); | ||
4410 | } | ||
4411 | |||
4412 | len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | ||
4413 | bfa_fcs_lport_get_fcid(port), 0, psymbl); | ||
4414 | |||
4415 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | ||
4416 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); | ||
4417 | |||
4418 | port->stats.ns_rspnid_sent++; | ||
4419 | } | ||
4420 | |||
4358 | /* | 4421 | /* |
4359 | * FCS SCN | 4422 | * FCS SCN |
4360 | */ | 4423 | */ |