From d8c2040bf9873deb35422776ad06a27f0dc5c020 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Thu, 28 Mar 2019 11:06:21 -0700 Subject: [PATCH] scsi: lpfc: Remove unused functions Remove those functions that are not called from outside the removed functions. Cc: James Smart Signed-off-by: Bart Van Assche Acked-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_sli.c | 153 ----------------------------------- 1 file changed, 153 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index e0e655cb75f2..fc74344d6587 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -87,9 +87,6 @@ static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe); static bool lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba); static bool lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba); -static int lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, - struct lpfc_sli_ring *pring, - struct lpfc_iocbq *cmdiocb); static IOCB_t * lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq) @@ -3921,33 +3918,6 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) IOERR_SLI_ABORTED); } -/** - * lpfc_sli_abort_wqe_ring - Abort all iocbs in the 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 an abort iocb 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_abort_wqe_ring(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); - /* Next issue ABTS for everything on the txcmplq */ - list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) - lpfc_sli4_abort_nvme_io(phba, pring, iocb); - spin_unlock_irq(&phba->hbalock); -} - - /** * lpfc_sli_abort_fcp_rings - Abort all iocbs in all FCP rings * @phba: Pointer to HBA context object. @@ -3977,33 +3947,6 @@ lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba) } } -/** - * lpfc_sli_abort_nvme_rings - Abort all wqes in all NVME rings - * @phba: Pointer to HBA context object. - * - * This function aborts all wqes in NVME rings. This function issues an - * abort wqe for all the outstanding IO 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. - **/ -void -lpfc_sli_abort_nvme_rings(struct lpfc_hba *phba) -{ - struct lpfc_sli_ring *pring; - uint32_t i; - - if ((phba->sli_rev < LPFC_SLI_REV4) || - !(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) - return; - - /* Abort all IO on each NVME ring. */ - for (i = 0; i < phba->cfg_hdw_queue; i++) { - pring = phba->sli4_hba.hdwq[i].nvme_wq->pring; - lpfc_sli_abort_wqe_ring(phba, pring); - } -} - - /** * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring * @phba: Pointer to HBA context object. @@ -11322,102 +11265,6 @@ abort_iotag_exit: return retval; } -/** - * lpfc_sli4_abort_nvme_io - 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 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. - **/ -static int -lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, - struct lpfc_iocbq *cmdiocb) -{ - struct lpfc_vport *vport = cmdiocb->vport; - struct lpfc_iocbq *abtsiocbp; - union lpfc_wqe128 *abts_wqe; - int retval; - int idx = cmdiocb->hba_wqidx; - - /* - * 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. - */ - if (cmdiocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || - cmdiocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN || - (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) - return 0; - - /* issue ABTS for this io based on iotag */ - abtsiocbp = __lpfc_sli_get_iocbq(phba); - if (abtsiocbp == NULL) - return 0; - - /* This signals the response to set the correct status - * before calling the completion handler - */ - cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; - - /* Complete prepping the abort wqe and issue to the FW. */ - abts_wqe = &abtsiocbp->wqe; - - /* Clear any stale WQE contents */ - memset(abts_wqe, 0, sizeof(union lpfc_wqe)); - bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG); - - /* word 7 */ - bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); - bf_set(wqe_class, &abts_wqe->abort_cmd.wqe_com, - cmdiocb->iocb.ulpClass); - - /* word 8 - tell the FW to abort the IO associated with this - * outstanding exchange ID. - */ - abts_wqe->abort_cmd.wqe_com.abort_tag = cmdiocb->sli4_xritag; - - /* word 9 - this is the iotag for the abts_wqe completion. */ - bf_set(wqe_reqtag, &abts_wqe->abort_cmd.wqe_com, - abtsiocbp->iotag); - - /* word 10 */ - bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1); - bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE); - - /* word 11 */ - bf_set(wqe_cmd_type, &abts_wqe->abort_cmd.wqe_com, OTHER_COMMAND); - bf_set(wqe_wqec, &abts_wqe->abort_cmd.wqe_com, 1); - bf_set(wqe_cqid, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); - - /* ABTS WQE must go to the same WQ as the WQE to be aborted */ - abtsiocbp->iocb_flag |= LPFC_IO_NVME; - abtsiocbp->vport = vport; - abtsiocbp->wqe_cmpl = lpfc_nvme_abort_fcreq_cmpl; - retval = lpfc_sli4_issue_wqe(phba, &phba->sli4_hba.hdwq[idx], - abtsiocbp); - if (retval) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME, - "6147 Failed abts issue_wqe with status x%x " - "for oxid x%x\n", - retval, cmdiocb->sli4_xritag); - lpfc_sli_release_iocbq(phba, abtsiocbp); - return retval; - } - - lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME, - "6148 Drv Abort NVME Request Issued for " - "ox_id x%x on reqtag x%x\n", - cmdiocb->sli4_xritag, - abtsiocbp->iotag); - - return retval; -} - /** * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba. * @phba: pointer to lpfc HBA data structure.