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path: root/drivers/scsi/bfa/bfa_fcs.c
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Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs.c')
-rw-r--r--drivers/scsi/bfa/bfa_fcs.c179
1 files changed, 163 insertions, 16 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c
index 9b43ca4b6778..eaac57e1ddec 100644
--- a/drivers/scsi/bfa/bfa_fcs.c
+++ b/drivers/scsi/bfa/bfa_fcs.c
@@ -20,6 +20,7 @@
*/
#include "bfad_drv.h"
+#include "bfad_im.h"
#include "bfa_fcs.h"
#include "bfa_fcbuild.h"
@@ -92,25 +93,49 @@ bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
void
bfa_fcs_init(struct bfa_fcs_s *fcs)
{
- int i, npbc_vports;
+ int i;
struct bfa_fcs_mod_s *mod;
- struct bfi_pbc_vport_s pbc_vports[BFI_PBC_MAX_VPORTS];
for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) {
mod = &fcs_modules[i];
if (mod->modinit)
mod->modinit(fcs);
}
+}
+
+/*
+ * FCS update cfg - reset the pwwn/nwwn of fabric base logical port
+ * with values learned during bfa_init firmware GETATTR REQ.
+ */
+void
+bfa_fcs_update_cfg(struct bfa_fcs_s *fcs)
+{
+ struct bfa_fcs_fabric_s *fabric = &fcs->fabric;
+ struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg;
+ struct bfa_ioc_s *ioc = &fabric->fcs->bfa->ioc;
+
+ port_cfg->nwwn = ioc->attr->nwwn;
+ port_cfg->pwwn = ioc->attr->pwwn;
+}
+
+/*
+ * fcs pbc vport initialization
+ */
+void
+bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs)
+{
+ int i, npbc_vports;
+ struct bfi_pbc_vport_s pbc_vports[BFI_PBC_MAX_VPORTS];
+
/* Initialize pbc vports */
if (!fcs->min_cfg) {
npbc_vports =
- bfa_iocfc_get_pbc_vports(fcs->bfa, pbc_vports);
+ bfa_iocfc_get_pbc_vports(fcs->bfa, pbc_vports);
for (i = 0; i < npbc_vports; i++)
bfa_fcb_pbc_vport_create(fcs->bfa->bfad, pbc_vports[i]);
}
}
-
/*
* brief
* FCS driver details initialization.
@@ -168,11 +193,14 @@ bfa_fcs_exit(struct bfa_fcs_s *fcs)
#define BFA_FCS_FABRIC_CLEANUP_DELAY (10000) /* Milliseconds */
#define bfa_fcs_fabric_set_opertype(__fabric) do { \
- if (bfa_fcport_get_topology((__fabric)->fcs->bfa) \
- == BFA_PORT_TOPOLOGY_P2P) \
+ if (bfa_fcport_get_topology((__fabric)->fcs->bfa) \
+ == BFA_PORT_TOPOLOGY_P2P) { \
+ if (fabric->fab_type == BFA_FCS_FABRIC_SWITCHED) \
(__fabric)->oper_type = BFA_PORT_TYPE_NPORT; \
else \
- (__fabric)->oper_type = BFA_PORT_TYPE_NLPORT; \
+ (__fabric)->oper_type = BFA_PORT_TYPE_P2P; \
+ } else \
+ (__fabric)->oper_type = BFA_PORT_TYPE_NLPORT; \
} while (0)
/*
@@ -196,6 +224,9 @@ static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg,
u32 rsp_len,
u32 resid_len,
struct fchs_s *rspfchs);
+static u8 bfa_fcs_fabric_oper_bbscn(struct bfa_fcs_fabric_s *fabric);
+static bfa_boolean_t bfa_fcs_fabric_is_bbscn_enabled(
+ struct bfa_fcs_fabric_s *fabric);
static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric,
enum bfa_fcs_fabric_event event);
@@ -269,8 +300,8 @@ bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric,
break;
case BFA_FCS_FABRIC_SM_DELETE:
- bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit);
- bfa_wc_down(&fabric->fcs->wc);
+ bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
+ bfa_fcs_fabric_delete(fabric);
break;
default:
@@ -322,7 +353,8 @@ bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric,
case BFA_FCS_FABRIC_SM_CONT_OP:
bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa,
- fabric->bb_credit);
+ fabric->bb_credit,
+ bfa_fcs_fabric_oper_bbscn(fabric));
fabric->fab_type = BFA_FCS_FABRIC_SWITCHED;
if (fabric->auth_reqd && fabric->is_auth) {
@@ -350,7 +382,8 @@ bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric,
case BFA_FCS_FABRIC_SM_NO_FABRIC:
fabric->fab_type = BFA_FCS_FABRIC_N2N;
bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa,
- fabric->bb_credit);
+ fabric->bb_credit,
+ bfa_fcs_fabric_oper_bbscn(fabric));
bfa_fcs_fabric_notify_online(fabric);
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_nofabric);
break;
@@ -518,7 +551,11 @@ bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric,
case BFA_FCS_FABRIC_SM_NO_FABRIC:
bfa_trc(fabric->fcs, fabric->bb_credit);
bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa,
- fabric->bb_credit);
+ fabric->bb_credit,
+ bfa_fcs_fabric_oper_bbscn(fabric));
+ break;
+
+ case BFA_FCS_FABRIC_SM_RETRY_OP:
break;
default:
@@ -764,6 +801,10 @@ bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status)
case BFA_STATUS_FABRIC_RJT:
fabric->stats.flogi_rejects++;
+ if (fabric->lps->lsrjt_rsn == FC_LS_RJT_RSN_LOGICAL_ERROR &&
+ fabric->lps->lsrjt_expl == FC_LS_RJT_EXP_NO_ADDL_INFO)
+ fabric->fcs->bbscn_flogi_rjt = BFA_TRUE;
+
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP);
return;
@@ -793,6 +834,7 @@ bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status)
*/
fabric->bport.port_topo.pn2n.rem_port_wwn =
fabric->lps->pr_pwwn;
+ fabric->fab_type = BFA_FCS_FABRIC_N2N;
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC);
}
@@ -808,13 +850,17 @@ bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric)
{
struct bfa_s *bfa = fabric->fcs->bfa;
struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg;
- u8 alpa = 0;
+ u8 alpa = 0, bb_scn = 0;
if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP)
alpa = bfa_fcport_get_myalpa(bfa);
+ if (bfa_fcs_fabric_is_bbscn_enabled(fabric) &&
+ (!fabric->fcs->bbscn_flogi_rjt))
+ bb_scn = BFA_FCS_PORT_DEF_BB_SCN;
+
bfa_lps_flogi(fabric->lps, fabric, alpa, bfa_fcport_get_maxfrsize(bfa),
- pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd);
+ pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd, bb_scn);
fabric->stats.flogi_sent++;
}
@@ -873,6 +919,40 @@ bfa_fcs_fabric_delay(void *cbarg)
}
/*
+ * Computes operating BB_SCN value
+ */
+static u8
+bfa_fcs_fabric_oper_bbscn(struct bfa_fcs_fabric_s *fabric)
+{
+ u8 pr_bbscn = fabric->lps->pr_bbscn;
+ struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(fabric->fcs->bfa);
+
+ if (!(fcport->cfg.bb_scn_state && pr_bbscn))
+ return 0;
+
+ /* return max of local/remote bb_scn values */
+ return ((pr_bbscn > BFA_FCS_PORT_DEF_BB_SCN) ?
+ pr_bbscn : BFA_FCS_PORT_DEF_BB_SCN);
+}
+
+/*
+ * Check if BB_SCN can be enabled.
+ */
+static bfa_boolean_t
+bfa_fcs_fabric_is_bbscn_enabled(struct bfa_fcs_fabric_s *fabric)
+{
+ struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(fabric->fcs->bfa);
+
+ if (bfa_ioc_get_fcmode(&fabric->fcs->bfa->ioc) &&
+ fcport->cfg.bb_scn_state &&
+ !bfa_fcport_is_qos_enabled(fabric->fcs->bfa) &&
+ !bfa_fcport_is_trunk_enabled(fabric->fcs->bfa))
+ return BFA_TRUE;
+ else
+ return BFA_FALSE;
+}
+
+/*
* Delete all vports and wait for vport delete completions.
*/
static void
@@ -989,6 +1069,7 @@ void
bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric)
{
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
+ fabric->fcs->bbscn_flogi_rjt = BFA_FALSE;
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_DOWN);
}
@@ -1192,6 +1273,7 @@ bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric,
}
fabric->bb_credit = be16_to_cpu(flogi->csp.bbcred);
+ fabric->lps->pr_bbscn = (be16_to_cpu(flogi->csp.rxsz) >> 12);
bport->port_topo.pn2n.rem_port_wwn = flogi->port_name;
bport->port_topo.pn2n.reply_oxid = fchs->ox_id;
@@ -1224,9 +1306,10 @@ bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric)
n2n_port->reply_oxid, pcfg->pwwn,
pcfg->nwwn,
bfa_fcport_get_maxfrsize(bfa),
- bfa_fcport_get_rx_bbcredit(bfa));
+ bfa_fcport_get_rx_bbcredit(bfa),
+ bfa_fcs_fabric_oper_bbscn(fabric));
- bfa_fcxp_send(fcxp, NULL, fabric->vf_id, fabric->lps->lp_tag,
+ bfa_fcxp_send(fcxp, NULL, fabric->vf_id, fabric->lps->bfa_tag,
BFA_FALSE, FC_CLASS_3,
reqlen, &fchs, bfa_fcs_fabric_flogiacc_comp, fabric,
FC_MAX_PDUSZ, 0);
@@ -1245,6 +1328,29 @@ bfa_fcs_fabric_flogiacc_comp(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
bfa_trc(fabric->fcs, status);
}
+
+/*
+ * Send AEN notification
+ */
+static void
+bfa_fcs_fabric_aen_post(struct bfa_fcs_lport_s *port,
+ enum bfa_port_aen_event event)
+{
+ struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
+ struct bfa_aen_entry_s *aen_entry;
+
+ bfad_get_aen_entry(bfad, aen_entry);
+ if (!aen_entry)
+ return;
+
+ aen_entry->aen_data.port.pwwn = bfa_fcs_lport_get_pwwn(port);
+ aen_entry->aen_data.port.fwwn = bfa_fcs_lport_get_fabric_name(port);
+
+ /* Send the AEN notification */
+ bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
+ BFA_AEN_CAT_PORT, event);
+}
+
/*
*
* @param[in] fabric - fabric
@@ -1276,6 +1382,8 @@ bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric,
BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
"Base port WWN = %s Fabric WWN = %s\n",
pwwn_ptr, fwwn_ptr);
+ bfa_fcs_fabric_aen_post(&fabric->bport,
+ BFA_PORT_AEN_FABRIC_NAME_CHANGE);
}
}
@@ -1298,6 +1406,45 @@ bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id)
}
/*
+ * Return the list of local logical ports present in the given VF.
+ *
+ * @param[in] vf vf for which logical ports are returned
+ * @param[out] lpwwn returned logical port wwn list
+ * @param[in,out] nlports in:size of lpwwn list;
+ * out:total elements present,
+ * actual elements returned is limited by the size
+ */
+void
+bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t lpwwn[], int *nlports)
+{
+ struct list_head *qe;
+ struct bfa_fcs_vport_s *vport;
+ int i = 0;
+ struct bfa_fcs_s *fcs;
+
+ if (vf == NULL || lpwwn == NULL || *nlports == 0)
+ return;
+
+ fcs = vf->fcs;
+
+ bfa_trc(fcs, vf->vf_id);
+ bfa_trc(fcs, (uint32_t) *nlports);
+
+ lpwwn[i++] = vf->bport.port_cfg.pwwn;
+
+ list_for_each(qe, &vf->vport_q) {
+ if (i >= *nlports)
+ break;
+
+ vport = (struct bfa_fcs_vport_s *) qe;
+ lpwwn[i++] = vport->lport.port_cfg.pwwn;
+ }
+
+ bfa_trc(fcs, i);
+ *nlports = i;
+}
+
+/*
* BFA FCS PPORT ( physical port)
*/
static void