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path: root/drivers/scsi/bfa/bfa_lps.c
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Diffstat (limited to 'drivers/scsi/bfa/bfa_lps.c')
-rw-r--r--drivers/scsi/bfa/bfa_lps.c134
1 files changed, 125 insertions, 9 deletions
diff --git a/drivers/scsi/bfa/bfa_lps.c b/drivers/scsi/bfa/bfa_lps.c
index 9844b45412b..ad06f618909 100644
--- a/drivers/scsi/bfa/bfa_lps.c
+++ b/drivers/scsi/bfa/bfa_lps.c
@@ -18,6 +18,7 @@
#include <bfa.h>
#include <bfi/bfi_lps.h>
#include <cs/bfa_debug.h>
+#include <defs/bfa_defs_pci.h>
BFA_TRC_FILE(HAL, LPS);
BFA_MODULE(lps);
@@ -25,6 +26,12 @@ BFA_MODULE(lps);
#define BFA_LPS_MIN_LPORTS (1)
#define BFA_LPS_MAX_LPORTS (256)
+/*
+ * Maximum Vports supported per physical port or vf.
+ */
+#define BFA_LPS_MAX_VPORTS_SUPP_CB 255
+#define BFA_LPS_MAX_VPORTS_SUPP_CT 190
+
/**
* forward declarations
*/
@@ -49,7 +56,7 @@ static void bfa_lps_send_login(struct bfa_lps_s *lps);
static void bfa_lps_send_logout(struct bfa_lps_s *lps);
static void bfa_lps_login_comp(struct bfa_lps_s *lps);
static void bfa_lps_logout_comp(struct bfa_lps_s *lps);
-
+static void bfa_lps_cvl_event(struct bfa_lps_s *lps);
/**
* lps_pvt BFA LPS private functions
@@ -62,6 +69,7 @@ enum bfa_lps_event {
BFA_LPS_SM_RESUME = 4, /* space present in reqq queue */
BFA_LPS_SM_DELETE = 5, /* lps delete from user */
BFA_LPS_SM_OFFLINE = 6, /* Link is offline */
+ BFA_LPS_SM_RX_CVL = 7, /* Rx clear virtual link */
};
static void bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event);
@@ -91,6 +99,12 @@ bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
bfa_sm_set_state(lps, bfa_lps_sm_login);
bfa_lps_send_login(lps);
}
+ if (lps->fdisc)
+ bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+ BFA_PL_EID_LOGIN, 0, "FDISC Request");
+ else
+ bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+ BFA_PL_EID_LOGIN, 0, "FLOGI Request");
break;
case BFA_LPS_SM_LOGOUT:
@@ -101,6 +115,7 @@ bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
bfa_lps_free(lps);
break;
+ case BFA_LPS_SM_RX_CVL:
case BFA_LPS_SM_OFFLINE:
break;
@@ -112,7 +127,7 @@ bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
break;
default:
- bfa_assert(0);
+ bfa_sm_fault(lps->bfa, event);
}
}
@@ -127,10 +142,25 @@ bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
switch (event) {
case BFA_LPS_SM_FWRSP:
- if (lps->status == BFA_STATUS_OK)
+ if (lps->status == BFA_STATUS_OK) {
bfa_sm_set_state(lps, bfa_lps_sm_online);
- else
+ if (lps->fdisc)
+ bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+ BFA_PL_EID_LOGIN, 0, "FDISC Accept");
+ else
+ bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+ BFA_PL_EID_LOGIN, 0, "FLOGI Accept");
+ } else {
bfa_sm_set_state(lps, bfa_lps_sm_init);
+ if (lps->fdisc)
+ bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+ BFA_PL_EID_LOGIN, 0,
+ "FDISC Fail (RJT or timeout)");
+ else
+ bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+ BFA_PL_EID_LOGIN, 0,
+ "FLOGI Fail (RJT or timeout)");
+ }
bfa_lps_login_comp(lps);
break;
@@ -139,7 +169,7 @@ bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
break;
default:
- bfa_assert(0);
+ bfa_sm_fault(lps->bfa, event);
}
}
@@ -162,8 +192,16 @@ bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event)
bfa_reqq_wcancel(&lps->wqe);
break;
+ case BFA_LPS_SM_RX_CVL:
+ /*
+ * Login was not even sent out; so when getting out
+ * of this state, it will appear like a login retry
+ * after Clear virtual link
+ */
+ break;
+
default:
- bfa_assert(0);
+ bfa_sm_fault(lps->bfa, event);
}
}
@@ -185,6 +223,17 @@ bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
bfa_sm_set_state(lps, bfa_lps_sm_logout);
bfa_lps_send_logout(lps);
}
+ bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+ BFA_PL_EID_LOGO, 0, "Logout");
+ break;
+
+ case BFA_LPS_SM_RX_CVL:
+ bfa_sm_set_state(lps, bfa_lps_sm_init);
+
+ /* Let the vport module know about this event */
+ bfa_lps_cvl_event(lps);
+ bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+ BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
break;
case BFA_LPS_SM_OFFLINE:
@@ -193,7 +242,7 @@ bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
break;
default:
- bfa_assert(0);
+ bfa_sm_fault(lps->bfa, event);
}
}
@@ -217,7 +266,7 @@ bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event)
break;
default:
- bfa_assert(0);
+ bfa_sm_fault(lps->bfa, event);
}
}
@@ -242,7 +291,7 @@ bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event)
break;
default:
- bfa_assert(0);
+ bfa_sm_fault(lps->bfa, event);
}
}
@@ -396,6 +445,20 @@ bfa_lps_logout_rsp(struct bfa_s *bfa, struct bfi_lps_logout_rsp_s *rsp)
}
/**
+ * Firmware received a Clear virtual link request (for FCoE)
+ */
+static void
+bfa_lps_rx_cvl_event(struct bfa_s *bfa, struct bfi_lps_cvl_event_s *cvl)
+{
+ struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
+ struct bfa_lps_s *lps;
+
+ lps = BFA_LPS_FROM_TAG(mod, cvl->lp_tag);
+
+ bfa_sm_send_event(lps, BFA_LPS_SM_RX_CVL);
+}
+
+/**
* Space is available in request queue, resume queueing request to firmware.
*/
static void
@@ -531,7 +594,48 @@ bfa_lps_logout_comp(struct bfa_lps_s *lps)
bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg);
}
+/**
+ * Clear virtual link completion handler for non-fcs
+ */
+static void
+bfa_lps_cvl_event_cb(void *arg, bfa_boolean_t complete)
+{
+ struct bfa_lps_s *lps = arg;
+
+ if (!complete)
+ return;
+
+ /* Clear virtual link to base port will result in link down */
+ if (lps->fdisc)
+ bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
+}
+
+/**
+ * Received Clear virtual link event --direct call for fcs,
+ * queue for others
+ */
+static void
+bfa_lps_cvl_event(struct bfa_lps_s *lps)
+{
+ if (!lps->bfa->fcs) {
+ bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_cvl_event_cb,
+ lps);
+ return;
+ }
+
+ /* Clear virtual link to base port will result in link down */
+ if (lps->fdisc)
+ bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
+}
+u32
+bfa_lps_get_max_vport(struct bfa_s *bfa)
+{
+ if (bfa_ioc_devid(&bfa->ioc) == BFA_PCI_DEVICE_ID_CT)
+ return BFA_LPS_MAX_VPORTS_SUPP_CT;
+ else
+ return BFA_LPS_MAX_VPORTS_SUPP_CB;
+}
/**
* lps_public BFA LPS public functions
@@ -752,6 +856,14 @@ bfa_lps_get_lsrjt_expl(struct bfa_lps_s *lps)
return lps->lsrjt_expl;
}
+/**
+ * Return fpma/spma MAC for lport
+ */
+struct mac_s
+bfa_lps_get_lp_mac(struct bfa_lps_s *lps)
+{
+ return lps->lp_mac;
+}
/**
* LPS firmware message class handler.
@@ -773,6 +885,10 @@ bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
bfa_lps_logout_rsp(bfa, msg.logout_rsp);
break;
+ case BFI_LPS_H2I_CVL_EVENT:
+ bfa_lps_rx_cvl_event(bfa, msg.cvl_event);
+ break;
+
default:
bfa_trc(bfa, m->mhdr.msg_id);
bfa_assert(0);