Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask

Conflicts:
	arch/x86/kernel/io_apic.c
	kernel/rcuclassic.c
	kernel/sched.c
	kernel/time/tick-sched.c

Signed-off-by: Mike Travis <travis@sgi.com>
[ mingo@elte.hu: backmerged typo fix for io_apic.c ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 124 insertions, 36 deletions

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 630bd28fb997..a8f30bdaff69 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -221,7 +221,11 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
 		/* For ELS_REQUEST64_CR, use the VPI by default */
 		icmd->ulpContext = vport->vpi;
 		icmd->ulpCt_h = 0;
-		icmd->ulpCt_l = 1;
+		/* The CT field must be 0=INVALID_RPI for the ECHO cmd */
+		if (elscmd == ELS_CMD_ECHO)
+			icmd->ulpCt_l = 0; /* context = invalid RPI */
+		else
+			icmd->ulpCt_l = 1; /* context = VPI */
 	}
 
 	bpl = (struct ulp_bde64 *) pbuflist->virt;
@@ -271,7 +275,8 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
 	return elsiocb;
 
 els_iocb_free_pbuf_exit:
-	lpfc_mbuf_free(phba, prsp->virt, prsp->phys);
+	if (expectRsp)
+		lpfc_mbuf_free(phba, prsp->virt, prsp->phys);
 	kfree(pbuflist);
 
 els_iocb_free_prsp_exit:
@@ -2468,6 +2473,15 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	case IOSTAT_LOCAL_REJECT:
 		switch ((irsp->un.ulpWord[4] & 0xff)) {
 		case IOERR_LOOP_OPEN_FAILURE:
+			if (cmd == ELS_CMD_FLOGI) {
+				if (PCI_DEVICE_ID_HORNET ==
+					phba->pcidev->device) {
+					phba->fc_topology = TOPOLOGY_LOOP;
+					phba->pport->fc_myDID = 0;
+					phba->alpa_map[0] = 0;
+					phba->alpa_map[1] = 0;
+				}
+			}
 			if (cmd == ELS_CMD_PLOGI && cmdiocb->retry == 0)
 				delay = 1000;
 			retry = 1;
@@ -3823,27 +3837,21 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
 		while (payload_len) {
 			rscn_did.un.word = be32_to_cpu(*lp++);
 			payload_len -= sizeof(uint32_t);
-			switch (rscn_did.un.b.resv) {
-			case 0:	/* Single N_Port ID effected */
+			switch (rscn_did.un.b.resv & RSCN_ADDRESS_FORMAT_MASK) {
+			case RSCN_ADDRESS_FORMAT_PORT:
 				if (ns_did.un.word == rscn_did.un.word)
 					goto return_did_out;
 				break;
-			case 1:	/* Whole N_Port Area effected */
+			case RSCN_ADDRESS_FORMAT_AREA:
 				if ((ns_did.un.b.domain == rscn_did.un.b.domain)
 				    && (ns_did.un.b.area == rscn_did.un.b.area))
 					goto return_did_out;
 				break;
-			case 2:	/* Whole N_Port Domain effected */
+			case RSCN_ADDRESS_FORMAT_DOMAIN:
 				if (ns_did.un.b.domain == rscn_did.un.b.domain)
 					goto return_did_out;
 				break;
-			default:
-				/* Unknown Identifier in RSCN node */
-				lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
-						 "0217 Unknown Identifier in "
-						 "RSCN payload Data: x%x\n",
-						 rscn_did.un.word);
-			case 3:	/* Whole Fabric effected */
+			case RSCN_ADDRESS_FORMAT_FABRIC:
 				goto return_did_out;
 			}
 		}
@@ -3887,6 +3895,49 @@ lpfc_rscn_recovery_check(struct lpfc_vport *vport)
 }
 
 /**
+ * lpfc_send_rscn_event: Send an RSCN event to management application.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ *
+ * lpfc_send_rscn_event sends an RSCN netlink event to management
+ * applications.
+ */
+static void
+lpfc_send_rscn_event(struct lpfc_vport *vport,
+		struct lpfc_iocbq *cmdiocb)
+{
+	struct lpfc_dmabuf *pcmd;
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	uint32_t *payload_ptr;
+	uint32_t payload_len;
+	struct lpfc_rscn_event_header *rscn_event_data;
+
+	pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
+	payload_ptr = (uint32_t *) pcmd->virt;
+	payload_len = be32_to_cpu(*payload_ptr & ~ELS_CMD_MASK);
+
+	rscn_event_data = kmalloc(sizeof(struct lpfc_rscn_event_header) +
+		payload_len, GFP_KERNEL);
+	if (!rscn_event_data) {
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+			"0147 Failed to allocate memory for RSCN event\n");
+		return;
+	}
+	rscn_event_data->event_type = FC_REG_RSCN_EVENT;
+	rscn_event_data->payload_length = payload_len;
+	memcpy(rscn_event_data->rscn_payload, payload_ptr,
+		payload_len);
+
+	fc_host_post_vendor_event(shost,
+		fc_get_event_number(),
+		sizeof(struct lpfc_els_event_header) + payload_len,
+		(char *)rscn_event_data,
+		LPFC_NL_VENDOR_ID);
+
+	kfree(rscn_event_data);
+}
+
+/**
  * lpfc_els_rcv_rscn: Process an unsolicited rscn iocb.
  * @vport: pointer to a host virtual N_Port data structure.
  * @cmdiocb: pointer to lpfc command iocb data structure.
@@ -3933,6 +3984,10 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 			 "0214 RSCN received Data: x%x x%x x%x x%x\n",
 			 vport->fc_flag, payload_len, *lp,
 			 vport->fc_rscn_id_cnt);
+
+	/* Send an RSCN event to the management application */
+	lpfc_send_rscn_event(vport, cmdiocb);
+
 	for (i = 0; i < payload_len/sizeof(uint32_t); i++)
 		fc_host_post_event(shost, fc_get_event_number(),
 			FCH_EVT_RSCN, lp[i]);
@@ -4884,10 +4939,6 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport)
 	uint32_t timeout;
 	uint32_t remote_ID = 0xffffffff;
 
-	/* If the timer is already canceled do nothing */
-	if ((vport->work_port_events & WORKER_ELS_TMO) == 0) {
-		return;
-	}
 	spin_lock_irq(&phba->hbalock);
 	timeout = (uint32_t)(phba->fc_ratov << 1);
 
@@ -5128,7 +5179,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba,
 			fc_get_event_number(),
 			sizeof(lsrjt_event),
 			(char *)&lsrjt_event,
-			SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+			LPFC_NL_VENDOR_ID);
 		return;
 	}
 	if ((rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY) ||
@@ -5146,7 +5197,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba,
 			fc_get_event_number(),
 			sizeof(fabric_event),
 			(char *)&fabric_event,
-			SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+			LPFC_NL_VENDOR_ID);
 		return;
 	}
 
@@ -5164,32 +5215,68 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba,
 static void
 lpfc_send_els_event(struct lpfc_vport *vport,
 		    struct lpfc_nodelist *ndlp,
-		    uint32_t cmd)
+		    uint32_t *payload)
 {
-	struct lpfc_els_event_header els_data;
+	struct lpfc_els_event_header *els_data = NULL;
+	struct lpfc_logo_event *logo_data = NULL;
 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 
-	els_data.event_type = FC_REG_ELS_EVENT;
-	switch (cmd) {
+	if (*payload == ELS_CMD_LOGO) {
+		logo_data = kmalloc(sizeof(struct lpfc_logo_event), GFP_KERNEL);
+		if (!logo_data) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+				"0148 Failed to allocate memory "
+				"for LOGO event\n");
+			return;
+		}
+		els_data = &logo_data->header;
+	} else {
+		els_data = kmalloc(sizeof(struct lpfc_els_event_header),
+			GFP_KERNEL);
+		if (!els_data) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+				"0149 Failed to allocate memory "
+				"for ELS event\n");
+			return;
+		}
+	}
+	els_data->event_type = FC_REG_ELS_EVENT;
+	switch (*payload) {
 	case ELS_CMD_PLOGI:
-		els_data.subcategory = LPFC_EVENT_PLOGI_RCV;
+		els_data->subcategory = LPFC_EVENT_PLOGI_RCV;
 		break;
 	case ELS_CMD_PRLO:
-		els_data.subcategory = LPFC_EVENT_PRLO_RCV;
+		els_data->subcategory = LPFC_EVENT_PRLO_RCV;
 		break;
 	case ELS_CMD_ADISC:
-		els_data.subcategory = LPFC_EVENT_ADISC_RCV;
+		els_data->subcategory = LPFC_EVENT_ADISC_RCV;
+		break;
+	case ELS_CMD_LOGO:
+		els_data->subcategory = LPFC_EVENT_LOGO_RCV;
+		/* Copy the WWPN in the LOGO payload */
+		memcpy(logo_data->logo_wwpn, &payload[2],
+			sizeof(struct lpfc_name));
 		break;
 	default:
 		return;
 	}
-	memcpy(els_data.wwpn, &ndlp->nlp_portname, sizeof(struct lpfc_name));
-	memcpy(els_data.wwnn, &ndlp->nlp_nodename, sizeof(struct lpfc_name));
-	fc_host_post_vendor_event(shost,
-		fc_get_event_number(),
-		sizeof(els_data),
-		(char *)&els_data,
-		SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+	memcpy(els_data->wwpn, &ndlp->nlp_portname, sizeof(struct lpfc_name));
+	memcpy(els_data->wwnn, &ndlp->nlp_nodename, sizeof(struct lpfc_name));
+	if (*payload == ELS_CMD_LOGO) {
+		fc_host_post_vendor_event(shost,
+			fc_get_event_number(),
+			sizeof(struct lpfc_logo_event),
+			(char *)logo_data,
+			LPFC_NL_VENDOR_ID);
+		kfree(logo_data);
+	} else {
+		fc_host_post_vendor_event(shost,
+			fc_get_event_number(),
+			sizeof(struct lpfc_els_event_header),
+			(char *)els_data,
+			LPFC_NL_VENDOR_ID);
+		kfree(els_data);
+	}
 
 	return;
 }
@@ -5296,7 +5383,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		phba->fc_stat.elsRcvPLOGI++;
 		ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp);
 
-		lpfc_send_els_event(vport, ndlp, cmd);
+		lpfc_send_els_event(vport, ndlp, payload);
 		if (vport->port_state < LPFC_DISC_AUTH) {
 			if (!(phba->pport->fc_flag & FC_PT2PT) ||
 				(phba->pport->fc_flag & FC_PT2PT_PLOGI)) {
@@ -5334,6 +5421,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			did, vport->port_state, ndlp->nlp_flag);
 
 		phba->fc_stat.elsRcvLOGO++;
+		lpfc_send_els_event(vport, ndlp, payload);
 		if (vport->port_state < LPFC_DISC_AUTH) {
 			rjt_err = LSRJT_UNABLE_TPC;
 			break;
@@ -5346,7 +5434,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			did, vport->port_state, ndlp->nlp_flag);
 
 		phba->fc_stat.elsRcvPRLO++;
-		lpfc_send_els_event(vport, ndlp, cmd);
+		lpfc_send_els_event(vport, ndlp, payload);
 		if (vport->port_state < LPFC_DISC_AUTH) {
 			rjt_err = LSRJT_UNABLE_TPC;
 			break;
@@ -5364,7 +5452,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			"RCV ADISC:       did:x%x/ste:x%x flg:x%x",
 			did, vport->port_state, ndlp->nlp_flag);
 
-		lpfc_send_els_event(vport, ndlp, cmd);
+		lpfc_send_els_event(vport, ndlp, payload);
 		phba->fc_stat.elsRcvADISC++;
 		if (vport->port_state < LPFC_DISC_AUTH) {
 			rjt_err = LSRJT_UNABLE_TPC;