diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_crtn.h | 3 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_els.c | 10 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_hbadisc.c | 9 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 52 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_mbox.c | 28 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 158 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli4.h | 3 |
7 files changed, 235 insertions, 28 deletions
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index b15d13e..a5f5a09 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -44,6 +44,8 @@ int lpfc_reg_rpi(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *, void lpfc_set_var(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t); void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *); void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *); +void lpfc_sli4_unreg_all_rpis(struct lpfc_vport *); + void lpfc_reg_vpi(struct lpfc_vport *, LPFC_MBOXQ_t *); void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *, struct lpfc_nodelist *); @@ -272,6 +274,7 @@ int lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t, void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t); void lpfc_sli_bemem_bcopy(void *, void *, uint32_t); void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *); +void lpfc_sli_hba_iocb_abort(struct lpfc_hba *); void lpfc_sli_flush_fcp_rings(struct lpfc_hba *); int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *, struct lpfc_dmabuf *); diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index b115e92..e61b57d 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -580,6 +580,10 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, lpfc_unreg_rpi(vport, np); } lpfc_cleanup_pending_mbox(vport); + + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_sli4_unreg_all_rpis(vport); + if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { lpfc_mbx_unreg_vpi(vport); spin_lock_irq(shost->host_lock); @@ -6482,6 +6486,8 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) default: /* Try to recover from this error */ + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_sli4_unreg_all_rpis(vport); lpfc_mbx_unreg_vpi(vport); spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; @@ -6749,6 +6755,10 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_unreg_rpi(vport, np); } lpfc_cleanup_pending_mbox(vport); + + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_sli4_unreg_all_rpis(vport); + lpfc_mbx_unreg_vpi(vport); spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 05c9398..a5d1695 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -794,6 +794,8 @@ lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) : NLP_EVT_DEVICE_RECOVERY); } if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_sli4_unreg_all_rpis(vport); lpfc_mbx_unreg_vpi(vport); spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; @@ -4080,6 +4082,11 @@ lpfc_unreg_all_rpis(struct lpfc_vport *vport) LPFC_MBOXQ_t *mbox; int rc; + if (phba->sli_rev == LPFC_SLI_REV4) { + lpfc_sli4_unreg_all_rpis(vport); + return; + } + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (mbox) { lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox); @@ -5354,6 +5361,8 @@ lpfc_unregister_fcf_prep(struct lpfc_hba *phba) if (ndlp) lpfc_cancel_retry_delay_tmo(vports[i], ndlp); lpfc_cleanup_pending_mbox(vports[i]); + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_sli4_unreg_all_rpis(vports[i]); lpfc_mbx_unreg_vpi(vports[i]); shost = lpfc_shost_from_vport(vports[i]); spin_lock_irq(shost->host_lock); diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 814d0b3..b306579 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -813,6 +813,7 @@ lpfc_hba_down_post_s3(struct lpfc_hba *phba) return 0; } + /** * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset * @phba: pointer to lpfc HBA data structure. @@ -7267,6 +7268,51 @@ lpfc_sli4_unset_hba(struct lpfc_hba *phba) } /** + * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy + * @phba: Pointer to HBA context object. + * + * This function is called in the SLI4 code path to wait for completion + * of device's XRIs exchange busy. It will check the XRI exchange busy + * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after + * that, it will check the XRI exchange busy on outstanding FCP and ELS + * I/Os every 30 seconds, log error message, and wait forever. Only when + * all XRI exchange busy complete, the driver unload shall proceed with + * invoking the function reset ioctl mailbox command to the CNA and the + * the rest of the driver unload resource release. + **/ +static void +lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) +{ + int wait_time = 0; + int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); + int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); + + while (!fcp_xri_cmpl || !els_xri_cmpl) { + if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) { + if (!fcp_xri_cmpl) + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "2877 FCP XRI exchange busy " + "wait time: %d seconds.\n", + wait_time/1000); + if (!els_xri_cmpl) + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "2878 ELS XRI exchange busy " + "wait time: %d seconds.\n", + wait_time/1000); + msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2); + wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2; + } else { + msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1); + wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1; + } + fcp_xri_cmpl = + list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); + els_xri_cmpl = + list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); + } +} + +/** * lpfc_sli4_hba_unset - Unset the fcoe hba * @phba: Pointer to HBA context object. * @@ -7311,6 +7357,12 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba) spin_unlock_irq(&phba->hbalock); } + /* Abort all iocbs associated with the hba */ + lpfc_sli_hba_iocb_abort(phba); + + /* Wait for completion of device XRI exchange busy */ + lpfc_sli4_xri_exchange_busy_wait(phba); + /* Disable PCI subsystem interrupt */ lpfc_sli4_disable_intr(phba); diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index 0dfa310..62d0957 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -797,6 +797,34 @@ lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, } /** + * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA. + * @vport: pointer to a vport object. + * + * This routine sends mailbox command to unregister all active RPIs for + * a vport. + **/ +void +lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport) +{ + struct lpfc_hba *phba = vport->phba; + LPFC_MBOXQ_t *mbox; + int rc; + + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (mbox) { + lpfc_unreg_login(phba, vport->vpi, + vport->vpi + phba->vpi_base, mbox); + mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000 ; + mbox->vport = vport; + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + mbox->context1 = NULL; + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) + mempool_free(mbox, phba->mbox_mem_pool); + } +} + +/** * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 9d2e134..ce41453 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1735,6 +1735,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) struct lpfc_vport *vport = pmb->vport; struct lpfc_dmabuf *mp; struct lpfc_nodelist *ndlp; + struct Scsi_Host *shost; uint16_t rpi, vpi; int rc; @@ -1746,7 +1747,8 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } if ((pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) && - (phba->sli_rev == LPFC_SLI_REV4)) + (phba->sli_rev == LPFC_SLI_REV4) && + (pmb->u.mb.un.varUnregLogin.rsvd1 == 0x0)) lpfc_sli4_free_rpi(phba, pmb->u.mb.un.varUnregLogin.rpi); /* @@ -1765,16 +1767,14 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) return; } - /* Unreg VPI, if the REG_VPI succeed after VLink failure */ if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) && !(phba->pport->load_flag & FC_UNLOADING) && !pmb->u.mb.mbxStatus) { - lpfc_unreg_vpi(phba, pmb->u.mb.un.varRegVpi.vpi, pmb); - pmb->vport = vport; - pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); - if (rc != MBX_NOT_FINISHED) - return; + shost = lpfc_shost_from_vport(vport); + spin_lock_irq(shost->host_lock); + vport->vpi_state |= LPFC_VPI_REGISTERED; + vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; + spin_unlock_irq(shost->host_lock); } if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) { @@ -7257,25 +7257,26 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_sli_issue_abort_iotag - Abort function for a command iocb + * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @cmdiocb: Pointer to driver command iocb object. * - * This function issues an abort iocb for the provided command - * iocb. This function is called with hbalock held. - * The function returns 0 when it fails due to memory allocation - * failure or when the command iocb is an abort request. + * This function issues an abort iocb for the provided command iocb down to + * the port. Other than the case the outstanding command iocb is an abort + * request, this function issues abort out unconditionally. This function is + * called with hbalock held. The function returns 0 when it fails due to + * memory allocation failure or when the command iocb is an abort request. **/ -int -lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, +static int +lpfc_sli_abort_iotag_issue(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *cmdiocb) { struct lpfc_vport *vport = cmdiocb->vport; struct lpfc_iocbq *abtsiocbp; IOCB_t *icmd = NULL; IOCB_t *iabt = NULL; - int retval = IOCB_ERROR; + int retval; /* * There are certain command types we don't want to abort. And we @@ -7288,18 +7289,6 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) return 0; - /* If we're unloading, don't abort iocb on the ELS ring, but change the - * callback so that nothing happens when it finishes. - */ - if ((vport->load_flag & FC_UNLOADING) && - (pring->ringno == LPFC_ELS_RING)) { - if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) - cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; - else - cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; - goto abort_iotag_exit; - } - /* issue ABTS for this IOCB based on iotag */ abtsiocbp = __lpfc_sli_get_iocbq(phba); if (abtsiocbp == NULL) @@ -7344,6 +7333,63 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (retval) __lpfc_sli_release_iocbq(phba, abtsiocbp); + + /* + * Caller to this routine should check for IOCB_ERROR + * and handle it properly. This routine no longer removes + * iocb off txcmplq and call compl in case of IOCB_ERROR. + */ + return retval; +} + +/** + * lpfc_sli_issue_abort_iotag - Abort function for a command iocb + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @cmdiocb: Pointer to driver command iocb object. + * + * This function issues an abort iocb for the provided command iocb. In case + * of unloading, the abort iocb will not be issued to commands on the ELS + * ring. Instead, the callback function shall be changed to those commands + * so that nothing happens when them finishes. This function is called with + * hbalock held. The function returns 0 when the command iocb is an abort + * request. + **/ +int +lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + struct lpfc_iocbq *cmdiocb) +{ + struct lpfc_vport *vport = cmdiocb->vport; + int retval = IOCB_ERROR; + IOCB_t *icmd = NULL; + + /* + * There are certain command types we don't want to abort. And we + * don't want to abort commands that are already in the process of + * being aborted. + */ + icmd = &cmdiocb->iocb; + if (icmd->ulpCommand == CMD_ABORT_XRI_CN || + icmd->ulpCommand == CMD_CLOSE_XRI_CN || + (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) + return 0; + + /* + * If we're unloading, don't abort iocb on the ELS ring, but change + * the callback so that nothing happens when it finishes. + */ + if ((vport->load_flag & FC_UNLOADING) && + (pring->ringno == LPFC_ELS_RING)) { + if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) + cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; + else + cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; + goto abort_iotag_exit; + } + + /* Now, we try to issue the abort to the cmdiocb out */ + retval = lpfc_sli_abort_iotag_issue(phba, pring, cmdiocb); + abort_iotag_exit: /* * Caller to this routine should check for IOCB_ERROR @@ -7354,6 +7400,62 @@ abort_iotag_exit: } /** + * lpfc_sli_iocb_ring_abort - Unconditionally abort all iocbs on an iocb ring + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * + * This function aborts all iocbs in the given ring and frees all the iocb + * objects in txq. This function issues abort iocbs unconditionally for all + * the iocb commands in txcmplq. The iocbs in the txcmplq is not guaranteed + * to complete before the return of this function. The caller is not required + * to hold any locks. + **/ +static void +lpfc_sli_iocb_ring_abort(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) +{ + LIST_HEAD(completions); + struct lpfc_iocbq *iocb, *next_iocb; + + if (pring->ringno == LPFC_ELS_RING) + lpfc_fabric_abort_hba(phba); + + spin_lock_irq(&phba->hbalock); + + /* Take off all the iocbs on txq for cancelling */ + list_splice_init(&pring->txq, &completions); + pring->txq_cnt = 0; + + /* Next issue ABTS for everything on the txcmplq */ + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) + lpfc_sli_abort_iotag_issue(phba, pring, iocb); + + spin_unlock_irq(&phba->hbalock); + + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); +} + +/** + * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba. + * @phba: pointer to lpfc HBA data structure. + * + * This routine will abort all pending and outstanding iocbs to an HBA. + **/ +void +lpfc_sli_hba_iocb_abort(struct lpfc_hba *phba) +{ + struct lpfc_sli *psli = &phba->sli; + struct lpfc_sli_ring *pring; + int i; + + for (i = 0; i < psli->num_rings; i++) { + pring = &psli->ring[i]; + lpfc_sli_iocb_ring_abort(phba, pring); + } +} + +/** * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN * @iocbq: Pointer to driver iocb object. * @vport: Pointer to driver virtual port object. diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index 98da223..c4483fe 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -19,6 +19,9 @@ *******************************************************************/ #define LPFC_ACTIVE_MBOX_WAIT_CNT 100 +#define LPFC_XRI_EXCH_BUSY_WAIT_TMO 10000 +#define LPFC_XRI_EXCH_BUSY_WAIT_T1 10 +#define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000 #define LPFC_RELEASE_NOTIFICATION_INTERVAL 32 #define LPFC_GET_QE_REL_INT 32 #define LPFC_RPI_LOW_WATER_MARK 10 |