lpfc_ct.c

linux-2.6.15.6

	struct lpfc_dmabuf *outp;
	struct lpfc_nodelist *ndlp;
	struct lpfc_sli_ct_request *CTrsp;

	psli = &phba->sli;
	/* we pass cmdiocb to state machine which needs rspiocb as well */
	cmdiocb->context_un.rsp_iocb = rspiocb;

	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
	bmp = (struct lpfc_dmabuf *) cmdiocb->context3;

	irsp = &rspiocb->iocb;
	if (irsp->ulpStatus) {
		if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
			((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
			 (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED))) {
			goto out;
		}

		/* Check for retry */
		if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
			phba->fc_ns_retry++;
			/* CT command is being retried */
			ndlp =
			    lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
					      NameServer_DID);
			if (ndlp) {
				if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) ==
				    0) {
					goto out;
				}
			}
		}
	} else {
		/* Good status, continue checking */
		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
		if (CTrsp->CommandResponse.bits.CmdRsp ==
		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
			lpfc_ns_rsp(phba, outp,
				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
			/* NameServer Rsp Error */
			lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
					"%d:0240 NameServer Rsp Error "
					"Data: x%x x%x x%x x%x\n",
					phba->brd_no,
					CTrsp->CommandResponse.bits.CmdRsp,
					(uint32_t) CTrsp->ReasonCode,
					(uint32_t) CTrsp->Explanation,
					phba->fc_flag);
		} else {
			/* NameServer Rsp Error */
			lpfc_printf_log(phba,
					KERN_INFO,
					LOG_DISCOVERY,
					"%d:0241 NameServer Rsp Error "
					"Data: x%x x%x x%x x%x\n",
					phba->brd_no,
					CTrsp->CommandResponse.bits.CmdRsp,
					(uint32_t) CTrsp->ReasonCode,
					(uint32_t) CTrsp->Explanation,
					phba->fc_flag);
		}
	}
	/* Link up / RSCN discovery */
	lpfc_disc_start(phba);
out:
	lpfc_free_ct_rsp(phba, outp);
	lpfc_mbuf_free(phba, inp->virt, inp->phys);
	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
	kfree(inp);
	kfree(bmp);
	spin_lock_irq(phba->host->host_lock);
	lpfc_sli_release_iocbq(phba, cmdiocb);
	spin_unlock_irq(phba->host->host_lock);
	return;
}

static void
lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
			struct lpfc_iocbq * rspiocb)
{
	struct lpfc_sli *psli;
	struct lpfc_dmabuf *bmp;
	struct lpfc_dmabuf *inp;
	struct lpfc_dmabuf *outp;
	IOCB_t *irsp;
	struct lpfc_sli_ct_request *CTrsp;

	psli = &phba->sli;
	/* we pass cmdiocb to state machine which needs rspiocb as well */
	cmdiocb->context_un.rsp_iocb = rspiocb;

	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
	bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
	irsp = &rspiocb->iocb;

	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;

	/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
	lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
			"%d:0209 RFT request completes ulpStatus x%x "
			"CmdRsp x%x\n", phba->brd_no, irsp->ulpStatus,
			CTrsp->CommandResponse.bits.CmdRsp);

	lpfc_free_ct_rsp(phba, outp);
	lpfc_mbuf_free(phba, inp->virt, inp->phys);
	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
	kfree(inp);
	kfree(bmp);
	spin_lock_irq(phba->host->host_lock);
	lpfc_sli_release_iocbq(phba, cmdiocb);
	spin_unlock_irq(phba->host->host_lock);
	return;
}

static void
lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
			struct lpfc_iocbq * rspiocb)
{
	lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
	return;
}

static void
lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
			 struct lpfc_iocbq * rspiocb)
{
	lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
	return;
}

void
lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp)
{
	char fwrev[16];

	lpfc_decode_firmware_rev(phba, fwrev, 0);

	if (phba->Port[0]) {
		sprintf(symbp, "Emulex %s Port %s FV%s DV%s", phba->ModelName,
			phba->Port, fwrev, lpfc_release_version);
	} else {
		sprintf(symbp, "Emulex %s FV%s DV%s", phba->ModelName,
			fwrev, lpfc_release_version);
	}
}

/*
 * lpfc_ns_cmd
 * Description:
 *    Issue Cmd to NameServer
 *       SLI_CTNS_GID_FT
 *       LI_CTNS_RFT_ID
 */
int
lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
{
	struct lpfc_dmabuf *mp, *bmp;
	struct lpfc_sli_ct_request *CtReq;
	struct ulp_bde64 *bpl;
	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
		      struct lpfc_iocbq *) = NULL;
	uint32_t rsp_size = 1024;

	/* fill in BDEs for command */
	/* Allocate buffer for command payload */
	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
	if (!mp)
		goto ns_cmd_exit;

	INIT_LIST_HEAD(&mp->list);
	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
	if (!mp->virt)
		goto ns_cmd_free_mp;

	/* Allocate buffer for Buffer ptr list */
	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
	if (!bmp)
		goto ns_cmd_free_mpvirt;

	INIT_LIST_HEAD(&bmp->list);
	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
	if (!bmp->virt)
		goto ns_cmd_free_bmp;

	/* NameServer Req */
	lpfc_printf_log(phba,
			KERN_INFO,
			LOG_DISCOVERY,
			"%d:0236 NameServer Req Data: x%x x%x x%x\n",
			phba->brd_no, cmdcode, phba->fc_flag,
			phba->fc_rscn_id_cnt);

	bpl = (struct ulp_bde64 *) bmp->virt;
	memset(bpl, 0, sizeof(struct ulp_bde64));
	bpl->addrHigh = le32_to_cpu( putPaddrHigh(mp->phys) );
	bpl->addrLow = le32_to_cpu( putPaddrLow(mp->phys) );
	bpl->tus.f.bdeFlags = 0;
	if (cmdcode == SLI_CTNS_GID_FT)
		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
	else if (cmdcode == SLI_CTNS_RFT_ID)
		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
	else if (cmdcode == SLI_CTNS_RNN_ID)
		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
	else if (cmdcode == SLI_CTNS_RSNN_NN)
		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
	else
		bpl->tus.f.bdeSize = 0;
	bpl->tus.w = le32_to_cpu(bpl->tus.w);

	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
	memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
	CtReq->RevisionId.bits.InId = 0;
	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
	CtReq->CommandResponse.bits.Size = 0;
	switch (cmdcode) {
	case SLI_CTNS_GID_FT:
		CtReq->CommandResponse.bits.CmdRsp =
		    be16_to_cpu(SLI_CTNS_GID_FT);
		CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
		if (phba->hba_state < LPFC_HBA_READY)
			phba->hba_state = LPFC_NS_QRY;
		lpfc_set_disctmo(phba);
		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
		rsp_size = FC_MAX_NS_RSP;
		break;

	case SLI_CTNS_RFT_ID:
		CtReq->CommandResponse.bits.CmdRsp =
		    be16_to_cpu(SLI_CTNS_RFT_ID);
		CtReq->un.rft.PortId = be32_to_cpu(phba->fc_myDID);
		CtReq->un.rft.fcpReg = 1;
		cmpl = lpfc_cmpl_ct_cmd_rft_id;
		break;

	case SLI_CTNS_RNN_ID:
		CtReq->CommandResponse.bits.CmdRsp =
		    be16_to_cpu(SLI_CTNS_RNN_ID);
		CtReq->un.rnn.PortId = be32_to_cpu(phba->fc_myDID);
		memcpy(CtReq->un.rnn.wwnn,  &phba->fc_nodename,
		       sizeof (struct lpfc_name));
		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
		break;

	case SLI_CTNS_RSNN_NN:
		CtReq->CommandResponse.bits.CmdRsp =
		    be16_to_cpu(SLI_CTNS_RSNN_NN);
		memcpy(CtReq->un.rsnn.wwnn, &phba->fc_nodename,
		       sizeof (struct lpfc_name));
		lpfc_get_hba_sym_node_name(phba, CtReq->un.rsnn.symbname);
		CtReq->un.rsnn.len = strlen(CtReq->un.rsnn.symbname);
		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
		break;
	}

	if (!lpfc_ct_cmd(phba, mp, bmp, ndlp, cmpl, rsp_size))
		/* On success, The cmpl function will free the buffers */
		return 0;

	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
ns_cmd_free_bmp:
	kfree(bmp);
ns_cmd_free_mpvirt:
	lpfc_mbuf_free(phba, mp->virt, mp->phys);
ns_cmd_free_mp:
	kfree(mp);
ns_cmd_exit:
	return 1;
}

static void
lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba * phba,
		      struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb)
{
	struct lpfc_dmabuf *bmp = cmdiocb->context3;
	struct lpfc_dmabuf *inp = cmdiocb->context1;
	struct lpfc_dmabuf *outp = cmdiocb->context2;
	struct lpfc_sli_ct_request *CTrsp = outp->virt;
	struct lpfc_sli_ct_request *CTcmd = inp->virt;
	struct lpfc_nodelist *ndlp;
	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;

	ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID);
	if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
		/* FDMI rsp failed */
		lpfc_printf_log(phba,
			        KERN_INFO,
			        LOG_DISCOVERY,
			        "%d:0220 FDMI rsp failed Data: x%x\n",
			        phba->brd_no,
			       be16_to_cpu(fdmi_cmd));
	}

	switch (be16_to_cpu(fdmi_cmd)) {
	case SLI_MGMT_RHBA:
		lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_RPA);
		break;

	case SLI_MGMT_RPA:
		break;

	case SLI_MGMT_DHBA:
		lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DPRT);
		break;

	case SLI_MGMT_DPRT:
		lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_RHBA);
		break;
	}

	lpfc_free_ct_rsp(phba, outp);
	lpfc_mbuf_free(phba, inp->virt, inp->phys);
	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
	kfree(inp);
	kfree(bmp);
	spin_lock_irq(phba->host->host_lock);
	lpfc_sli_release_iocbq(phba, cmdiocb);
	spin_unlock_irq(phba->host->host_lock);
	return;
}
int
lpfc_fdmi_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode)
{
	struct lpfc_dmabuf *mp, *bmp;
	struct lpfc_sli_ct_request *CtReq;
	struct ulp_bde64 *bpl;
	uint32_t size;
	REG_HBA *rh;
	PORT_ENTRY *pe;
	REG_PORT_ATTRIBUTE *pab;
	ATTRIBUTE_BLOCK *ab;
	ATTRIBUTE_ENTRY *ae;
	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
		      struct lpfc_iocbq *);


	/* fill in BDEs for command */
	/* Allocate buffer for command payload */
	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
	if (!mp)
		goto fdmi_cmd_exit;

	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
	if (!mp->virt)
		goto fdmi_cmd_free_mp;

	/* Allocate buffer for Buffer ptr list */
	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
	if (!bmp)
		goto fdmi_cmd_free_mpvirt;

	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
	if (!bmp->virt)
		goto fdmi_cmd_free_bmp;

	INIT_LIST_HEAD(&mp->list);
	INIT_LIST_HEAD(&bmp->list);

	/* FDMI request */
	lpfc_printf_log(phba,
		        KERN_INFO,
		        LOG_DISCOVERY,
		        "%d:0218 FDMI Request Data: x%x x%x x%x\n",
		        phba->brd_no,
		       phba->fc_flag, phba->hba_state, cmdcode);

	CtReq = (struct lpfc_sli_ct_request *) mp->virt;

	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
	CtReq->RevisionId.bits.InId = 0;

	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
	size = 0;

	switch (cmdcode) {
	case SLI_MGMT_RHBA:
		{
			lpfc_vpd_t *vp = &phba->vpd;
			uint32_t i, j, incr;
			int len;

			CtReq->CommandResponse.bits.CmdRsp =
			    be16_to_cpu(SLI_MGMT_RHBA);
			CtReq->CommandResponse.bits.Size = 0;
			rh = (REG_HBA *) & CtReq->un.PortID;
			memcpy(&rh->hi.PortName, &phba->fc_sparam.portName,
			       sizeof (struct lpfc_name));
			/* One entry (port) per adapter */
			rh->rpl.EntryCnt = be32_to_cpu(1);
			memcpy(&rh->rpl.pe, &phba->fc_sparam.portName,
			       sizeof (struct lpfc_name));

			/* point to the HBA attribute block */
			size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
			ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
			ab->EntryCnt = 0;

			/* Point to the beginning of the first HBA attribute
			   entry */
			/* #1 HBA attribute entry */
			size += FOURBYTES;
			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
			ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);