From a8adb83208020c913f010cb4e26d09e25300db8e Mon Sep 17 00:00:00 2001 From: James Smart Date: Sat, 27 Oct 2007 13:37:53 -0400 Subject: [SCSI] lpfc 8.2.3 : Miscellaneous Small Fixes - part 2 Miscellaneous Small Fixes - part 2 - Fix ndlp left in PLOGI state after link up - Fix cannot rcv unsol ELS frames after running HBA resets for a few minutes - Fix HBQ buffer_count implemention - Fix RPI leak - Fix crash while deleting vports while HBA is reset - Revert the FCP Fbits offset back to 7 - Fix panic when deleting vports - Remove unused code in switch statement outside of a case - Reject PLOGI from invalid PName or NName of 0 - Ignore PLOGI responses from WWPName or WWNName of 0 - Fix debugfs hbqinfo display for ppc - Added 8G to list of supported speeds for sysfs parameter - Defer ndlp cleanup to dev-loss timeout handler - Added support for WRITE_VPARMS mailbox command by applications Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 1 + drivers/scsi/lpfc/lpfc_attr.c | 8 ++--- drivers/scsi/lpfc/lpfc_debugfs.c | 13 ++++---- drivers/scsi/lpfc/lpfc_disc.h | 1 + drivers/scsi/lpfc/lpfc_els.c | 34 ++++++++++++++----- drivers/scsi/lpfc/lpfc_hbadisc.c | 67 ++++++++++++++++++++++++++++++++++++-- drivers/scsi/lpfc/lpfc_hw.h | 7 ++-- drivers/scsi/lpfc/lpfc_init.c | 22 +++++++++---- drivers/scsi/lpfc/lpfc_nportdisc.c | 30 ++++++++++++++--- drivers/scsi/lpfc/lpfc_sli.c | 10 +++--- 10 files changed, 152 insertions(+), 41 deletions(-) (limited to 'drivers/scsi/lpfc') diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index ff6b7d33cca..636a930a573 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -367,6 +367,7 @@ struct lpfc_vport { struct hbq_s { uint16_t entry_count; /* Current number of HBQ slots */ + uint16_t buffer_count; /* Current number of buffers posted */ uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ uint32_t hbqPutIdx; /* HBQ slot to use */ uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index e8e9905828c..4e9e890449a 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -187,12 +187,9 @@ lpfc_state_show(struct class_device *cdev, char *buf) case LPFC_LINK_UP: case LPFC_CLEAR_LA: case LPFC_HBA_READY: - len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - \n"); + len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); switch (vport->port_state) { - len += snprintf(buf + len, PAGE_SIZE-len, - "initializing\n"); - break; case LPFC_LOCAL_CFG_LINK: len += snprintf(buf + len, PAGE_SIZE-len, "Configuring Link\n"); @@ -1759,7 +1756,6 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, switch (phba->sysfs_mbox.mbox->mb.mbxCommand) { /* Offline only */ - case MBX_WRITE_NV: case MBX_INIT_LINK: case MBX_DOWN_LINK: case MBX_CONFIG_LINK: @@ -1782,6 +1778,8 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, spin_unlock_irq(&phba->hbalock); return -EPERM; } + case MBX_WRITE_NV: + case MBX_WRITE_VPARMS: case MBX_LOAD_SM: case MBX_READ_NV: case MBX_READ_CONFIG: diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index d6a98bc970f..da607c775cf 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -243,16 +243,17 @@ lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size) raw_index = phba->hbq_get[i]; getidx = le32_to_cpu(raw_index); len += snprintf(buf+len, size-len, - "entrys:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n", - hbqs->entry_count, hbqs->hbqPutIdx, hbqs->next_hbqPutIdx, - hbqs->local_hbqGetIdx, getidx); + "entrys:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n", + hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx, + hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx); hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt; for (j=0; jentry_count; j++) { len += snprintf(buf+len, size-len, "%03d: %08x %04x %05x ", j, - hbqe->bde.addrLow, hbqe->bde.tus.w, hbqe->buffer_tag); - + le32_to_cpu(hbqe->bde.addrLow), + le32_to_cpu(hbqe->bde.tus.w), + le32_to_cpu(hbqe->buffer_tag)); i = 0; found = 0; @@ -276,7 +277,7 @@ lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size) list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) { hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff); - if (phys == hbqe->bde.addrLow) { + if (phys == le32_to_cpu(hbqe->bde.addrLow)) { len += snprintf(buf+len, size-len, "Buf%d: %p %06x\n", i, hbq_buf->dbuf.virt, hbq_buf->tag); diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index 99bc1a1ecac..cfe81c50529 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -91,6 +91,7 @@ struct lpfc_nodelist { #define NLP_LOGO_SND 0x100 /* sent LOGO request for this entry */ #define NLP_RNID_SND 0x400 /* sent RNID request for this entry */ #define NLP_ELS_SND_MASK 0x7e0 /* sent ELS request for this entry */ +#define NLP_DEFER_RM 0x10000 /* Remove this ndlp if no longer used */ #define NLP_DELAY_TMO 0x20000 /* delay timeout is running for node */ #define NLP_NPR_2B_DISC 0x40000 /* node is included in num_disc_nodes */ #define NLP_RCV_PLOGI 0x80000 /* Rcv'ed PLOGI from remote system */ diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 0a5006ea990..9315c3c2e6f 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -2069,9 +2069,25 @@ int lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) { struct lpfc_dmabuf *buf_ptr, *buf_ptr1; + struct lpfc_nodelist *ndlp; - if (elsiocb->context1) { - lpfc_nlp_put(elsiocb->context1); + ndlp = (struct lpfc_nodelist *)elsiocb->context1; + if (ndlp) { + if (ndlp->nlp_flag & NLP_DEFER_RM) { + lpfc_nlp_put(ndlp); + + /* If the ndlp is not being used by another discovery + * thread, free it. + */ + if (!lpfc_nlp_not_used(ndlp)) { + /* If ndlp is being used by another discovery + * thread, just clear NLP_DEFER_RM + */ + ndlp->nlp_flag &= ~NLP_DEFER_RM; + } + } + else + lpfc_nlp_put(ndlp); elsiocb->context1 = NULL; } /* context2 = cmd, context2->next = rsp, context3 = bpl */ @@ -2130,13 +2146,15 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); mempool_free(pmb, phba->mbox_mem_pool); - lpfc_nlp_put(ndlp); + if (ndlp) { + lpfc_nlp_put(ndlp); - /* This is the end of the default RPI cleanup logic for this - * ndlp. If no other discovery threads are using this ndlp. - * we should free all resources associated with it. - */ - lpfc_nlp_not_used(ndlp); + /* This is the end of the default RPI cleanup logic for this + * ndlp. If no other discovery threads are using this ndlp. + * we should free all resources associated with it. + */ + lpfc_nlp_not_used(ndlp); + } return; } diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index f64ce88e8a0..371f41e886d 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -108,6 +108,8 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) struct lpfc_vport *vport; struct lpfc_hba *phba; struct lpfc_work_evt *evtp; + int put_node; + int put_rport; rdata = rport->dd_data; ndlp = rdata->pnode; @@ -128,6 +130,25 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) "rport devlosscb: sid:x%x did:x%x flg:x%x", ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); + /* Don't defer this if we are in the process of deleting the vport + * or unloading the driver. The unload will cleanup the node + * appropriately we just need to cleanup the ndlp rport info here. + */ + if (vport->load_flag & FC_UNLOADING) { + put_node = rdata->pnode != NULL; + put_rport = ndlp->rport != NULL; + rdata->pnode = NULL; + ndlp->rport = NULL; + if (put_node) + lpfc_nlp_put(ndlp); + if (put_rport) + put_device(&rport->dev); + return; + } + + if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) + return; + evtp = &ndlp->dev_loss_evt; if (!list_empty(&evtp->evt_listp)) @@ -175,8 +196,23 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) "rport devlosstmo:did:x%x type:x%x id:x%x", ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); - if (!(vport->load_flag & FC_UNLOADING) && - ndlp->nlp_state == NLP_STE_MAPPED_NODE) + /* Don't defer this if we are in the process of deleting the vport + * or unloading the driver. The unload will cleanup the node + * appropriately we just need to cleanup the ndlp rport info here. + */ + if (vport->load_flag & FC_UNLOADING) { + put_node = rdata->pnode != NULL; + put_rport = ndlp->rport != NULL; + rdata->pnode = NULL; + ndlp->rport = NULL; + if (put_node) + lpfc_nlp_put(ndlp); + if (put_rport) + put_device(&rport->dev); + return; + } + + if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) return; if (ndlp->nlp_type & NLP_FABRIC) { @@ -1965,12 +2001,39 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) static void lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { + struct lpfc_hba *phba = vport->phba; struct lpfc_rport_data *rdata; + LPFC_MBOXQ_t *mbox; + int rc; if (ndlp->nlp_flag & NLP_DELAY_TMO) { lpfc_cancel_retry_delay_tmo(vport, ndlp); } + if (ndlp->nlp_flag & NLP_DEFER_RM && !ndlp->nlp_rpi) { + /* For this case we need to cleanup the default rpi + * allocated by the firmware. + */ + if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) + != NULL) { + rc = lpfc_reg_login(phba, vport->vpi, ndlp->nlp_DID, + (uint8_t *) &vport->fc_sparam, mbox, 0); + if (rc) { + mempool_free(mbox, phba->mbox_mem_pool); + } + else { + mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; + mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; + mbox->vport = vport; + mbox->context2 = 0; + rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + mempool_free(mbox, phba->mbox_mem_pool); + } + } + } + } + lpfc_cleanup_node(vport, ndlp); /* diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index b075d595648..8635b929464 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -153,11 +153,7 @@ struct lpfc_sli_ct_request { struct gff_acc { uint8_t fbits[128]; } gff_acc; -#ifdef __BIG_ENDIAN_BITFIELD #define FCP_TYPE_FEATURE_OFFSET 7 -#else /* __LITTLE_ENDIAN_BITFIELD */ -#define FCP_TYPE_FEATURE_OFFSET 4 -#endif struct rff { uint32_t PortId; uint8_t reserved[2]; @@ -1288,8 +1284,9 @@ typedef struct { /* FireFly BIU registers */ #define MBX_KILL_BOARD 0x24 #define MBX_CONFIG_FARP 0x25 #define MBX_BEACON 0x2A -#define MBX_ASYNCEVT_ENABLE 0x33 #define MBX_HEARTBEAT 0x31 +#define MBX_WRITE_VPARMS 0x32 +#define MBX_ASYNCEVT_ENABLE 0x33 #define MBX_CONFIG_HBQ 0x7C #define MBX_LOAD_AREA 0x81 diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index ceb185fa321..db96f7504a1 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1339,6 +1339,7 @@ lpfc_cleanup(struct lpfc_vport *vport) { struct lpfc_hba *phba = vport->phba; struct lpfc_nodelist *ndlp, *next_ndlp; + int i = 0; if (phba->link_state > LPFC_LINK_DOWN) lpfc_port_link_failure(vport); @@ -1351,17 +1352,20 @@ lpfc_cleanup(struct lpfc_vport *vport) NLP_EVT_DEVICE_RM); } - /* At this point, ALL ndlp's should be gone */ + /* At this point, ALL ndlp's should be gone + * because of the previous NLP_EVT_DEVICE_RM. + * Lets wait for this to happen, if needed. + */ while (!list_empty(&vport->fc_nodes)) { - list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, - nlp_listp) { + if (i++ > 3000) { lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, - "0233 Nodelist x%x not free: %d\n", - ndlp->nlp_DID, - atomic_read(&ndlp->kref.refcount)); - lpfc_drop_node(vport, ndlp); + "0233 Nodelist not empty\n"); + break; } + + /* Wait for any activity on ndlps to settle */ + msleep(10); } return; } @@ -1499,6 +1503,8 @@ lpfc_offline_prep(struct lpfc_hba * phba) for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { struct Scsi_Host *shost; + if (vports[i]->load_flag & FC_UNLOADING) + continue; shost = lpfc_shost_from_vport(vports[i]); list_for_each_entry_safe(ndlp, next_ndlp, &vports[i]->fc_nodes, @@ -1771,6 +1777,8 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost) fc_host_supported_speeds(shost) = 0; if (phba->lmt & LMT_10Gb) fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; + if (phba->lmt & LMT_8Gb) + fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; if (phba->lmt & LMT_4Gb) fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; if (phba->lmt & LMT_2Gb) diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index bba1fb6103f..c654c787c3e 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -287,6 +287,24 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; lp = (uint32_t *) pcmd->virt; sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); + if (wwn_to_u64(sp->portName.u.wwn) == 0) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0140 PLOGI Reject: invalid nname\n"); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, + NULL); + return 0; + } + if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0141 PLOGI Reject: invalid pname\n"); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, + NULL); + return 0; + } if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3) == 0)) { /* Reject this request because invalid parameters */ stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; @@ -821,6 +839,12 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, lp = (uint32_t *) prsp->virt; sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); + if (wwn_to_u64(sp->portName.u.wwn) == 0 || + wwn_to_u64(sp->nodeName.u.wwn) == 0) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0142 PLOGI RSP: Invalid WWN.\n"); + goto out; + } if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3)) goto out; /* PLOGI chkparm OK */ @@ -906,9 +930,7 @@ out: "0261 Cannot Register NameServer login\n"); } - /* Free this node since the driver cannot login or has the wrong - sparm */ - lpfc_nlp_not_used(ndlp); + ndlp->nlp_flag |= NLP_DEFER_RM; return NLP_STE_FREED_NODE; } @@ -1795,7 +1817,7 @@ lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, irsp = &rspiocb->iocb; if (irsp->ulpStatus) { - lpfc_nlp_not_used(ndlp); + ndlp->nlp_flag |= NLP_DEFER_RM; return NLP_STE_FREED_NODE; } return ndlp->nlp_state; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 49f2fdd2ba2..c3743d6f445 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -540,6 +540,7 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) list_del(&hbq_buf->dbuf.list); (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf); } + phba->hbqs[i].buffer_count = 0; } } @@ -608,8 +609,8 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) return 0; } - start = lpfc_hbq_defs[hbqno]->buffer_count; - end = count + lpfc_hbq_defs[hbqno]->buffer_count; + start = phba->hbqs[hbqno].buffer_count; + end = count + start; if (end > lpfc_hbq_defs[hbqno]->entry_count) { end = lpfc_hbq_defs[hbqno]->entry_count; } @@ -621,7 +622,7 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) return 1; hbq_buffer->tag = (i | (hbqno << 16)); if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) - lpfc_hbq_defs[hbqno]->buffer_count++; + phba->hbqs[hbqno].buffer_count++; else (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); } @@ -661,7 +662,7 @@ lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) } lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT, "1803 Bad hbq tag. Data: x%x x%x\n", - tag, lpfc_hbq_defs[tag >> 16]->buffer_count); + tag, phba->hbqs[tag >> 16].buffer_count); return NULL; } @@ -687,6 +688,7 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) case MBX_LOAD_SM: case MBX_READ_NV: case MBX_WRITE_NV: + case MBX_WRITE_VPARMS: case MBX_RUN_BIU_DIAG: case MBX_INIT_LINK: case MBX_DOWN_LINK: -- cgit v1.2.3