lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
}
+/**
+ * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands
+ * @phba : pointer to lpfc hba data structure.
+ * @cmdiocb : pointer to lpfc command iocb data structure.
+ * @rspiocb : pointer to lpfc response iocb data structure.
+ *
+ * This routine is the callback function for issuing unsol ct reject command.
+ * The memory allocated in the reject command path is freed up here.
+ **/
+static void
+lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+ struct lpfc_iocbq *rspiocb)
+{
+ struct lpfc_nodelist *ndlp;
+ struct lpfc_dmabuf *mp, *bmp;
+
+ ndlp = (struct lpfc_nodelist *)cmdiocb->context1;
+ if (ndlp)
+ lpfc_nlp_put(ndlp);
+
+ mp = cmdiocb->context2;
+ bmp = cmdiocb->context3;
+ if (mp) {
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ cmdiocb->context2 = NULL;
+ }
+
+ if (bmp) {
+ lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+ kfree(bmp);
+ cmdiocb->context3 = NULL;
+ }
+
+ lpfc_sli_release_iocbq(phba, cmdiocb);
+}
+
+/**
+ * lpfc_ct_reject_event : Issue reject for unhandled CT MIB commands
+ * @ndlp : pointer to a node-list data structure.
+ * ct_req : pointer to the CT request data structure.
+ * rx_id : rx_id of the received UNSOL CT command
+ * ox_id : ox_id of the UNSOL CT command
+ *
+ * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending
+ * a reject response. Reject response is sent for the unhandled commands.
+ **/
+static void
+lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
+ struct lpfc_sli_ct_request *ct_req,
+ u16 rx_id, u16 ox_id)
+{
+ struct lpfc_vport *vport = ndlp->vport;
+ struct lpfc_hba *phba = vport->phba;
+ struct lpfc_sli_ct_request *ct_rsp;
+ struct lpfc_iocbq *cmdiocbq = NULL;
+ struct lpfc_dmabuf *bmp = NULL;
+ struct lpfc_dmabuf *mp = NULL;
+ struct ulp_bde64 *bpl;
+ IOCB_t *icmd;
+ u8 rc = 0;
+
+ /* fill in BDEs for command */
+ mp = kmalloc(sizeof(*mp), GFP_KERNEL);
+ if (!mp) {
+ rc = 1;
+ goto ct_exit;
+ }
+
+ mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys);
+ if (!mp->virt) {
+ rc = 2;
+ goto ct_free_mp;
+ }
+
+ /* Allocate buffer for Buffer ptr list */
+ bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
+ if (!bmp) {
+ rc = 3;
+ goto ct_free_mpvirt;
+ }
+
+ bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys);
+ if (!bmp->virt) {
+ rc = 4;
+ goto ct_free_bmp;
+ }
+
+ INIT_LIST_HEAD(&mp->list);
+ INIT_LIST_HEAD(&bmp->list);
+
+ 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 = BUFF_TYPE_BLP_64;
+ bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4);
+ bpl->tus.w = le32_to_cpu(bpl->tus.w);
+
+ ct_rsp = (struct lpfc_sli_ct_request *)mp->virt;
+ memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request));
+
+ ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION;
+ ct_rsp->RevisionId.bits.InId = 0;
+ ct_rsp->FsType = ct_req->FsType;
+ ct_rsp->FsSubType = ct_req->FsSubType;
+ ct_rsp->CommandResponse.bits.Size = 0;
+ ct_rsp->CommandResponse.bits.CmdRsp =
+ cpu_to_be16(SLI_CT_RESPONSE_FS_RJT);
+ ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED;
+ ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL;
+
+ cmdiocbq = lpfc_sli_get_iocbq(phba);
+ if (!cmdiocbq) {
+ rc = 5;
+ goto ct_free_bmpvirt;
+ }
+
+ icmd = &cmdiocbq->iocb;
+ icmd->un.genreq64.bdl.ulpIoTag32 = 0;
+ icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
+ icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
+ icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
+ icmd->un.genreq64.bdl.bdeSize = sizeof(struct ulp_bde64);
+ icmd->un.genreq64.w5.hcsw.Fctl = (LS | LA);
+ icmd->un.genreq64.w5.hcsw.Dfctl = 0;
+ icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_SOL_CTL;
+ icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
+ icmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX;
+ icmd->ulpBdeCount = 1;
+ icmd->ulpLe = 1;
+ icmd->ulpClass = CLASS3;
+
+ /* Save for completion so we can release these resources */
+ cmdiocbq->context1 = lpfc_nlp_get(ndlp);
+ cmdiocbq->context2 = (uint8_t *)mp;
+ cmdiocbq->context3 = (uint8_t *)bmp;
+ cmdiocbq->iocb_cmpl = lpfc_ct_unsol_cmpl;
+ icmd->ulpContext = rx_id; /* Xri / rx_id */
+ icmd->unsli3.rcvsli3.ox_id = ox_id;
+ icmd->un.ulpWord[3] =
+ phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
+ icmd->ulpTimeout = (3 * phba->fc_ratov);
+
+ cmdiocbq->retry = 0;
+ cmdiocbq->vport = vport;
+ cmdiocbq->context_un.ndlp = NULL;
+ cmdiocbq->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
+
+ rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
+ if (!rc)
+ return;
+
+ rc = 6;
+ lpfc_nlp_put(ndlp);
+ lpfc_sli_release_iocbq(phba, cmdiocbq);
+ct_free_bmpvirt:
+ lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+ct_free_bmp:
+ kfree(bmp);
+ct_free_mpvirt:
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ct_free_mp:
+ kfree(mp);
+ct_exit:
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "6440 Unsol CT: Rsp err %d Data: x%x\n",
+ rc, vport->fc_flag);
+}
+
+/**
+ * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer
+ * @phba: pointer to lpfc hba data structure.
+ * @ctiocb: pointer to lpfc CT command iocb data structure.
+ *
+ * This routine is used for processing the IOCB associated with a unsolicited
+ * CT MIB request. It first determines whether there is an existing ndlp that
+ * matches the DID from the unsolicited IOCB. If not, it will return.
+ **/
+static void
+lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
+{
+ struct lpfc_sli_ct_request *ct_req;
+ struct lpfc_nodelist *ndlp = NULL;
+ struct lpfc_vport *vport = NULL;
+ IOCB_t *icmd = &ctiocbq->iocb;
+ u32 mi_cmd, vpi;
+ u32 did = 0;
+
+ vpi = ctiocbq->iocb.unsli3.rcvsli3.vpi;
+ vport = lpfc_find_vport_by_vpid(phba, vpi);
+ if (!vport) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
+ "6437 Unsol CT: VPORT NULL vpi : x%x\n",
+ vpi);
+ return;
+ }
+
+ did = ctiocbq->iocb.un.rcvels.remoteID;
+ if (icmd->ulpStatus) {
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+ "6438 Unsol CT: status:x%x/x%x did : x%x\n",
+ icmd->ulpStatus, icmd->un.ulpWord[4], did);
+ return;
+ }
+
+ /* Ignore traffic received during vport shutdown */
+ if (vport->fc_flag & FC_UNLOADING)
+ return;
+
+ ndlp = lpfc_findnode_did(vport, did);
+ if (!ndlp) {
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+ "6439 Unsol CT: NDLP Not Found for DID : x%x",
+ did);
+ return;
+ }
+
+ ct_req = ((struct lpfc_sli_ct_request *)
+ (((struct lpfc_dmabuf *)ctiocbq->context2)->virt));
+
+ mi_cmd = ct_req->CommandResponse.bits.CmdRsp;
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+ "6442 : MI Cmd : x%x Not Supported\n", mi_cmd);
+ lpfc_ct_reject_event(ndlp, ct_req,
+ ctiocbq->iocb.ulpContext,
+ ctiocbq->iocb.unsli3.rcvsli3.ox_id);
+}
+
+/**
+ * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring
+ * @phba: pointer to lpfc hba data structure.
+ * @pring: pointer to a SLI ring.
+ * @ctiocbq: pointer to lpfc ct iocb data structure.
+ *
+ * This routine is used to process an unsolicited event received from a SLI
+ * (Service Level Interface) ring. The actual processing of the data buffer
+ * associated with the unsolicited event is done by invoking appropriate routine
+ * after properly set up the iocb buffer from the SLI ring on which the
+ * unsolicited event was received.
+ **/
void
lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
- struct lpfc_iocbq *piocbq)
+ struct lpfc_iocbq *ctiocbq)
{
struct lpfc_dmabuf *mp = NULL;
- IOCB_t *icmd = &piocbq->iocb;
+ IOCB_t *icmd = &ctiocbq->iocb;
int i;
struct lpfc_iocbq *iocbq;
- dma_addr_t paddr;
+ dma_addr_t dma_addr;
uint32_t size;
struct list_head head;
- struct lpfc_dmabuf *bdeBuf;
+ struct lpfc_sli_ct_request *ct_req;
+ struct lpfc_dmabuf *bdeBuf1 = ctiocbq->context2;
+ struct lpfc_dmabuf *bdeBuf2 = ctiocbq->context3;
- if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
- return;
+ ctiocbq->context1 = NULL;
+ ctiocbq->context2 = NULL;
+ ctiocbq->context3 = NULL;
if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
return;
}
- /* If there are no BDEs associated with this IOCB,
- * there is nothing to do.
+ /* If there are no BDEs associated
+ * with this IOCB, there is nothing to do.
*/
if (icmd->ulpBdeCount == 0)
return;
+ if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
+ ctiocbq->context2 = bdeBuf1;
+ if (icmd->ulpBdeCount == 2)
+ ctiocbq->context3 = bdeBuf2;
+ } else {
+ dma_addr = getPaddr(icmd->un.cont64[0].addrHigh,
+ icmd->un.cont64[0].addrLow);
+ ctiocbq->context2 = lpfc_sli_ringpostbuf_get(phba, pring,
+ dma_addr);
+ if (icmd->ulpBdeCount == 2) {
+ dma_addr = getPaddr(icmd->un.cont64[1].addrHigh,
+ icmd->un.cont64[1].addrLow);
+ ctiocbq->context3 = lpfc_sli_ringpostbuf_get(phba,
+ pring,
+ dma_addr);
+ }
+ }
+
+ ct_req = ((struct lpfc_sli_ct_request *)
+ (((struct lpfc_dmabuf *)ctiocbq->context2)->virt));
+
+ if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE &&
+ ct_req->FsSubType == SLI_CT_MIB_Subtypes) {
+ lpfc_ct_handle_mibreq(phba, ctiocbq);
+ } else {
+ if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq))
+ return;
+ }
+
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
INIT_LIST_HEAD(&head);
- list_add_tail(&head, &piocbq->list);
+ list_add_tail(&head, &ctiocbq->list);
list_for_each_entry(iocbq, &head, list) {
icmd = &iocbq->iocb;
if (icmd->ulpBdeCount == 0)
continue;
- bdeBuf = iocbq->context2;
+ bdeBuf1 = iocbq->context2;
iocbq->context2 = NULL;
size = icmd->un.cont64[0].tus.f.bdeSize;
- lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
- lpfc_in_buf_free(phba, bdeBuf);
+ lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size);
+ lpfc_in_buf_free(phba, bdeBuf1);
if (icmd->ulpBdeCount == 2) {
- bdeBuf = iocbq->context3;
+ bdeBuf2 = iocbq->context3;
iocbq->context3 = NULL;
size = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
- lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
+ lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2,
size);
- lpfc_in_buf_free(phba, bdeBuf);
+ lpfc_in_buf_free(phba, bdeBuf2);
}
}
list_del(&head);
} else {
INIT_LIST_HEAD(&head);
- list_add_tail(&head, &piocbq->list);
+ list_add_tail(&head, &ctiocbq->list);
list_for_each_entry(iocbq, &head, list) {
icmd = &iocbq->iocb;
if (icmd->ulpBdeCount == 0)
lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
for (i = 0; i < icmd->ulpBdeCount; i++) {
- paddr = getPaddr(icmd->un.cont64[i].addrHigh,
- icmd->un.cont64[i].addrLow);
+ dma_addr = getPaddr(icmd->un.cont64[i].addrHigh,
+ icmd->un.cont64[i].addrLow);
mp = lpfc_sli_ringpostbuf_get(phba, pring,
- paddr);
+ dma_addr);
size = icmd->un.cont64[i].tus.f.bdeSize;
lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
lpfc_in_buf_free(phba, mp);
projects / linux.git / commitdiff