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[SCSI] lpfc 8.3.31: Correct point-to-point mode discovery errors on LPe16xxx 

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2012-05-09 21:19:03 -04:00 committed by James Bottomley
parent 27aa1b7353
commit 939723a4a6
7 changed files with 175 additions and 31 deletions
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93
drivers/scsi/lpfc/lpfc_els.c
View File

@ -230,27 +230,43 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
INIT_LIST_HEAD(&pbuflist->list);
icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys);
icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys);
icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
icmd->un.elsreq64.remoteID = did; /* DID */
if (expectRsp) {
icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys);
icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys);
icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64));
icmd->un.elsreq64.remoteID = did; /* DID */
icmd->ulpCommand = CMD_ELS_REQUEST64_CR;
icmd->ulpTimeout = phba->fc_ratov * 2;
} else {
icmd->un.elsreq64.bdl.bdeSize = sizeof(struct ulp_bde64);
icmd->un.xseq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys);
icmd->un.xseq64.bdl.addrLow = putPaddrLow(pbuflist->phys);
icmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
icmd->un.xseq64.bdl.bdeSize = sizeof(struct ulp_bde64);
icmd->un.xseq64.xmit_els_remoteID = did; /* DID */
icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX;
}
icmd->ulpBdeCount = 1;
icmd->ulpLe = 1;
icmd->ulpClass = CLASS3;
if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
icmd->un.elsreq64.myID = vport->fc_myDID;
/*
* If we have NPIV enabled, we want to send ELS traffic by VPI.
* For SLI4, since the driver controls VPIs we also want to include
* all ELS pt2pt protocol traffic as well.
*/
if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) ||
((phba->sli_rev == LPFC_SLI_REV4) &&
(vport->fc_flag & FC_PT2PT))) {
if (expectRsp) {
icmd->un.elsreq64.myID = vport->fc_myDID;
/* For ELS_REQUEST64_CR, use the VPI by default */
icmd->ulpContext = phba->vpi_ids[vport->vpi];
}
/* For ELS_REQUEST64_CR, use the VPI by default */
icmd->ulpContext = phba->vpi_ids[vport->vpi];
icmd->ulpCt_h = 0;
/* The CT field must be 0=INVALID_RPI for the ECHO cmd */
if (elscmd == ELS_CMD_ECHO)
@ -438,9 +454,10 @@ lpfc_issue_reg_vfi(struct lpfc_vport *vport)
int rc = 0;
sp = &phba->fc_fabparam;
/* move forward in case of SLI4 FC port loopback test */
/* move forward in case of SLI4 FC port loopback test and pt2pt mode */
if ((phba->sli_rev == LPFC_SLI_REV4) &&
!(phba->link_flag & LS_LOOPBACK_MODE)) {
!(phba->link_flag & LS_LOOPBACK_MODE) &&
!(vport->fc_flag & FC_PT2PT)) {
ndlp = lpfc_findnode_did(vport, Fabric_DID);
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
rc = -ENODEV;
@ -820,6 +837,17 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
mempool_free(mbox, phba->mbox_mem_pool);
goto fail;
}
/*
* For SLI4, the VFI/VPI are registered AFTER the
* Nport with the higher WWPN sends the PLOGI with
* an assigned NPortId.
*/
/* not equal */
if ((phba->sli_rev == LPFC_SLI_REV4) && rc)
lpfc_issue_reg_vfi(vport);
/* Decrement ndlp reference count indicating that ndlp can be
* safely released when other references to it are done.
*/
@ -4940,8 +4968,6 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
return 1;
}
did = Fabric_DID;
if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 1))) {
/* For a FLOGI we accept, then if our portname is greater
* then the remote portname we initiate Nport login.
@ -4980,29 +5006,64 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_PT2PT_PLOGI;
spin_unlock_irq(shost->host_lock);
/* If we have the high WWPN we can assign our own
* myDID; otherwise, we have to WAIT for a PLOGI
* from the remote NPort to find out what it
* will be.
*/
vport->fc_myDID = PT2PT_LocalID;
} else
vport->fc_myDID = PT2PT_RemoteID;
vport->port_state = LPFC_FLOGI;
}
/*
* The vport state should go to LPFC_FLOGI only
* AFTER we issue a FLOGI, not receive one.
*/
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_PT2PT;
vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
spin_unlock_irq(shost->host_lock);
/*
* We temporarily set fc_myDID to make it look like we are
* a Fabric. This is done just so we end up with the right
* did / sid on the FLOGI ACC rsp.
*/
did = vport->fc_myDID;
vport->fc_myDID = Fabric_DID;
} else {
/* Reject this request because invalid parameters */
stat.un.b.lsRjtRsvd0 = 0;
stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS;
stat.un.b.vendorUnique = 0;
/*
* We temporarily set fc_myDID to make it look like we are
* a Fabric. This is done just so we end up with the right
* did / sid on the FLOGI LS_RJT rsp.
*/
did = vport->fc_myDID;
vport->fc_myDID = Fabric_DID;
lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
NULL);
/* Now lets put fc_myDID back to what its supposed to be */
vport->fc_myDID = did;
return 1;
}
/* Send back ACC */
lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL);
/* Now lets put fc_myDID back to what its supposed to be */
vport->fc_myDID = did;
if (!(vport->fc_flag & FC_PT2PT_PLOGI)) {
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox)
goto fail;

15
drivers/scsi/lpfc/lpfc_hbadisc.c
View File

@ -2882,9 +2882,14 @@ lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
}
if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
/* For private loop just start discovery and we are done. */
if ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
!(vport->fc_flag & FC_PUBLIC_LOOP)) {
/*
* For private loop or for NPort pt2pt,
* just start discovery and we are done.
*/
if ((vport->fc_flag & FC_PT2PT) ||
((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
!(vport->fc_flag & FC_PUBLIC_LOOP))) {
/* Use loop map to make discovery list */
lpfc_disc_list_loopmap(vport);
/* Start discovery */
@ -5491,9 +5496,9 @@ lpfc_nlp_release(struct kref *kref)
ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type);
lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
"0279 lpfc_nlp_release: ndlp:x%p "
"0279 lpfc_nlp_release: ndlp:x%p did %x "
"usgmap:x%x refcnt:%d\n",
(void *)ndlp, ndlp->nlp_usg_map,
(void *)ndlp, ndlp->nlp_DID, ndlp->nlp_usg_map,
atomic_read(&ndlp->kref.refcount));
/* remove ndlp from action. */

3
drivers/scsi/lpfc/lpfc_hw.h
View File

@ -3374,6 +3374,9 @@ typedef struct {
WORD5 w5; /* Header control/status word */
} XMT_SEQ_FIELDS64;
/* This word is remote ports D_ID for XMIT_ELS_RSP64 */
#define xmit_els_remoteID xrsqRo
/* IOCB Command template for 64 bit RCV_SEQUENCE64 */
typedef struct {
struct ulp_bde64 rcvBde;

8
drivers/scsi/lpfc/lpfc_hw4.h
View File

@ -3295,7 +3295,13 @@ struct els_request64_wqe {
struct xmit_els_rsp64_wqe {
struct ulp_bde64 bde;
uint32_t response_payload_len;
uint32_t rsvd4;
uint32_t word4;
#define els_rsp64_sid_SHIFT 0
#define els_rsp64_sid_MASK 0x00FFFFFF
#define els_rsp64_sid_WORD word4
#define els_rsp64_sp_SHIFT 24
#define els_rsp64_sp_MASK 0x00000001
#define els_rsp64_sp_WORD word4
struct wqe_did wqe_dest;
struct wqe_common wqe_com; /* words 6-11 */
uint32_t word12;

9
drivers/scsi/lpfc/lpfc_nportdisc.c
View File

@ -367,8 +367,10 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
return 1;
}
/* Check for Nport to NPort pt2pt protocol */
if ((vport->fc_flag & FC_PT2PT) &&
!(vport->fc_flag & FC_PT2PT_PLOGI)) {
/* rcv'ed PLOGI decides what our NPortId will be */
vport->fc_myDID = icmd->un.rcvels.parmRo;
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
@ -382,6 +384,13 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
mempool_free(mbox, phba->mbox_mem_pool);
goto out;
}
/*
* For SLI4, the VFI/VPI are registered AFTER the
* Nport with the higher WWPN sends us a PLOGI with
* our assigned NPortId.
*/
if (phba->sli_rev == LPFC_SLI_REV4)
lpfc_issue_reg_vfi(vport);
lpfc_can_disctmo(vport);
}

70
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -7907,6 +7907,10 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
bf_set(els_req64_sp, &wqe->els_req, 1);
bf_set(els_req64_sid, &wqe->els_req,
iocbq->vport->fc_myDID);
if ((*pcmd == ELS_CMD_FLOGI) &&
!(phba->fc_topology ==
LPFC_TOPOLOGY_LOOP))
bf_set(els_req64_sid, &wqe->els_req, 0);
bf_set(wqe_ct, &wqe->els_req.wqe_com, 1);
bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com,
phba->vpi_ids[iocbq->vport->vpi]);
@ -8064,11 +8068,25 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
/* words0-2 BDE memcpy */
/* word3 iocb=iotag32 wqe=response_payload_len */
wqe->xmit_els_rsp.response_payload_len = xmit_len;
/* word4 iocb=did wge=rsvd. */
wqe->xmit_els_rsp.rsvd4 = 0;
/* word4 */
wqe->xmit_els_rsp.word4 = 0;
/* word5 iocb=rsvd wge=did */
bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest,
iocbq->iocb.un.elsreq64.remoteID);
iocbq->iocb.un.xseq64.xmit_els_remoteID);
if_type = bf_get(lpfc_sli_intf_if_type,
&phba->sli4_hba.sli_intf);
if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
if (iocbq->vport->fc_flag & FC_PT2PT) {
bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1);
bf_set(els_rsp64_sid, &wqe->xmit_els_rsp,
iocbq->vport->fc_myDID);
if (iocbq->vport->fc_myDID == Fabric_DID) {
bf_set(wqe_els_did,
&wqe->xmit_els_rsp.wqe_dest, 0);
}
}
}
bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com,
((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l));
bf_set(wqe_pu, &wqe->xmit_els_rsp.wqe_com, iocbq->iocb.ulpPU);
@ -8088,11 +8106,11 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
pcmd = (uint32_t *) (((struct lpfc_dmabuf *)
iocbq->context2)->virt);
if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
bf_set(els_req64_sp, &wqe->els_req, 1);
bf_set(els_req64_sid, &wqe->els_req,
bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1);
bf_set(els_rsp64_sid, &wqe->xmit_els_rsp,
iocbq->vport->fc_myDID);
bf_set(wqe_ct, &wqe->els_req.wqe_com, 1);
bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com,
bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, 1);
bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com,
phba->vpi_ids[phba->pport->vpi]);
}
command_type = OTHER_COMMAND;
@ -13636,8 +13654,13 @@ lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr,
uint32_t did = (fc_hdr->fh_d_id[0] << 16 |
fc_hdr->fh_d_id[1] << 8 |
fc_hdr->fh_d_id[2]);
if (did == Fabric_DID)
return phba->pport;
if ((phba->pport->fc_flag & FC_PT2PT) &&
!(phba->link_state == LPFC_HBA_READY))
return phba->pport;
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL)
for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
@ -14174,7 +14197,15 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf)
/* Initialize the first IOCB. */
first_iocbq->iocb.unsli3.rcvsli3.acc_len = 0;
first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS;
first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX;
/* Check FC Header to see what TYPE of frame we are rcv'ing */
if (sli4_type_from_fc_hdr(fc_hdr) == FC_TYPE_ELS) {
first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_ELS64_CX;
first_iocbq->iocb.un.rcvels.parmRo =
sli4_did_from_fc_hdr(fc_hdr);
first_iocbq->iocb.ulpPU = PARM_NPIV_DID;
} else
first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX;
first_iocbq->iocb.ulpContext = NO_XRI;
first_iocbq->iocb.unsli3.rcvsli3.ox_id =
be16_to_cpu(fc_hdr->fh_ox_id);
@ -14304,6 +14335,7 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba,
struct fc_frame_header *fc_hdr;
struct lpfc_vport *vport;
uint32_t fcfi;
uint32_t did;
/* Process each received buffer */
fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt;
@ -14319,12 +14351,32 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba,
else
fcfi = bf_get(lpfc_rcqe_fcf_id,
&dmabuf->cq_event.cqe.rcqe_cmpl);
vport = lpfc_fc_frame_to_vport(phba, fc_hdr, fcfi);
if (!vport || !(vport->vpi_state & LPFC_VPI_REGISTERED)) {
if (!vport) {
/* throw out the frame */
lpfc_in_buf_free(phba, &dmabuf->dbuf);
return;
}
/* d_id this frame is directed to */
did = sli4_did_from_fc_hdr(fc_hdr);
/* vport is registered unless we rcv a FLOGI directed to Fabric_DID */
if (!(vport->vpi_state & LPFC_VPI_REGISTERED) &&
(did != Fabric_DID)) {
/*
* Throw out the frame if we are not pt2pt.
* The pt2pt protocol allows for discovery frames
* to be received without a registered VPI.
*/
if (!(vport->fc_flag & FC_PT2PT) ||
(phba->link_state == LPFC_HBA_READY)) {
lpfc_in_buf_free(phba, &dmabuf->dbuf);
return;
}
}
/* Handle the basic abort sequence (BA_ABTS) event */
if (fc_hdr->fh_r_ctl == FC_RCTL_BA_ABTS) {
lpfc_sli4_handle_unsol_abort(vport, dmabuf);

8
drivers/scsi/lpfc/lpfc_sli4.h
View File

@ -75,11 +75,19 @@
(fc_hdr)->fh_s_id[1] << 8 | \
(fc_hdr)->fh_s_id[2])
#define sli4_did_from_fc_hdr(fc_hdr) \
((fc_hdr)->fh_d_id[0] << 16 | \
(fc_hdr)->fh_d_id[1] << 8 | \
(fc_hdr)->fh_d_id[2])
#define sli4_fctl_from_fc_hdr(fc_hdr) \
((fc_hdr)->fh_f_ctl[0] << 16 | \
(fc_hdr)->fh_f_ctl[1] << 8 | \
(fc_hdr)->fh_f_ctl[2])
#define sli4_type_from_fc_hdr(fc_hdr) \
((fc_hdr)->fh_type)
#define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
enum lpfc_sli4_queue_type {