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path: root/drivers/scsi/lpfc/lpfc_sli.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c62
1 files changed, 37 insertions, 25 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index e948ea05fd33..8b119f87b51d 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -80,8 +80,8 @@ static int lpfc_sli4_fp_handle_cqe(struct lpfc_hba *, struct lpfc_queue *,
struct lpfc_cqe *);
static int lpfc_sli4_post_sgl_list(struct lpfc_hba *, struct list_head *,
int);
-static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba *, struct lpfc_eqe *,
- uint32_t);
+static int lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba,
+ struct lpfc_eqe *eqe, uint32_t qidx);
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,
@@ -106,7 +106,7 @@ lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq)
* -ENOMEM.
* The caller is expected to hold the hbalock when calling this routine.
**/
-static uint32_t
+static int
lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe *wqe)
{
union lpfc_wqe *temp_wqe;
@@ -123,7 +123,7 @@ lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe *wqe)
idx = ((q->host_index + 1) % q->entry_count);
if (idx == q->hba_index) {
q->WQ_overflow++;
- return -ENOMEM;
+ return -EBUSY;
}
q->WQ_posted++;
/* set consumption flag every once in a while */
@@ -10741,7 +10741,7 @@ lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
abtsiocbp->vport = vport;
abtsiocbp->wqe_cmpl = lpfc_nvme_abort_fcreq_cmpl;
retval = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abtsiocbp);
- if (retval == IOCB_ERROR) {
+ if (retval) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME,
"6147 Failed abts issue_wqe with status x%x "
"for oxid x%x\n",
@@ -13010,7 +13010,7 @@ lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
* completion queue, and then return.
*
**/
-static void
+static int
lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
struct lpfc_queue *speq)
{
@@ -13034,7 +13034,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0365 Slow-path CQ identifier "
"(%d) does not exist\n", cqid);
- return;
+ return 0;
}
/* Save EQ associated with this CQ */
@@ -13071,7 +13071,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0370 Invalid completion queue type (%d)\n",
cq->type);
- return;
+ return 0;
}
/* Catch the no cq entry condition, log an error */
@@ -13086,6 +13086,8 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
/* wake up worker thread if there are works to be done */
if (workposted)
lpfc_worker_wake_up(phba);
+
+ return ecount;
}
/**
@@ -13289,7 +13291,7 @@ lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
if (fc_hdr->fh_type == FC_TYPE_FCP) {
dma_buf->bytes_recv = bf_get(lpfc_rcqe_length, rcqe);
lpfc_nvmet_unsol_fcp_event(
- phba, phba->sli4_hba.els_wq->pring, dma_buf,
+ phba, idx, dma_buf,
cq->assoc_qp->isr_timestamp);
return false;
}
@@ -13393,7 +13395,7 @@ lpfc_sli4_fp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
* queue and process all the entries on the completion queue, rearm the
* completion queue, and then return.
**/
-static void
+static int
lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
uint32_t qidx)
{
@@ -13409,7 +13411,7 @@ lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
"event: majorcode=x%x, minorcode=x%x\n",
bf_get_le32(lpfc_eqe_major_code, eqe),
bf_get_le32(lpfc_eqe_minor_code, eqe));
- return;
+ return 0;
}
/* Get the reference to the corresponding CQ */
@@ -13446,8 +13448,9 @@ lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
/* Otherwise this is a Slow path event */
if (cq == NULL) {
- lpfc_sli4_sp_handle_eqe(phba, eqe, phba->sli4_hba.hba_eq[qidx]);
- return;
+ ecount = lpfc_sli4_sp_handle_eqe(phba, eqe,
+ phba->sli4_hba.hba_eq[qidx]);
+ return ecount;
}
process_cq:
@@ -13456,7 +13459,7 @@ process_cq:
"0368 Miss-matched fast-path completion "
"queue identifier: eqcqid=%d, fcpcqid=%d\n",
cqid, cq->queue_id);
- return;
+ return 0;
}
/* Save EQ associated with this CQ */
@@ -13486,6 +13489,8 @@ process_cq:
/* wake up worker thread if there are works to be done */
if (workposted)
lpfc_worker_wake_up(phba);
+
+ return ecount;
}
static void
@@ -13706,6 +13711,7 @@ lpfc_sli4_hba_intr_handler(int irq, void *dev_id)
struct lpfc_eqe *eqe;
unsigned long iflag;
int ecount = 0;
+ int ccount = 0;
int hba_eqidx;
/* Get the driver's phba structure from the dev_id */
@@ -13757,8 +13763,9 @@ lpfc_sli4_hba_intr_handler(int irq, void *dev_id)
if (eqe == NULL)
break;
- lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx);
- if (!(++ecount % fpeq->entry_repost))
+ ccount += lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx);
+ if (!(++ecount % fpeq->entry_repost) ||
+ ccount > LPFC_MAX_ISR_CQE)
break;
fpeq->EQ_processed++;
}
@@ -17051,7 +17058,7 @@ lpfc_sli4_mds_loopback_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
struct lpfc_dmabuf *pcmd = cmdiocb->context2;
if (pcmd && pcmd->virt)
- pci_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys);
+ dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys);
kfree(pcmd);
lpfc_sli_release_iocbq(phba, cmdiocb);
}
@@ -17079,7 +17086,7 @@ lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport,
/* Allocate buffer for command payload */
pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
if (pcmd)
- pcmd->virt = pci_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL,
+ pcmd->virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL,
&pcmd->phys);
if (!pcmd || !pcmd->virt)
goto exit;
@@ -17128,7 +17135,7 @@ exit:
lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
"2023 Unable to process MDS loopback frame\n");
if (pcmd && pcmd->virt)
- pci_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys);
+ dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys);
kfree(pcmd);
lpfc_sli_release_iocbq(phba, iocbq);
lpfc_in_buf_free(phba, &dmabuf->dbuf);
@@ -18888,6 +18895,7 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number,
struct lpfc_sglq *sglq;
struct lpfc_sli_ring *pring;
unsigned long iflags;
+ uint32_t ret = 0;
/* NVME_LS and NVME_LS ABTS requests. */
if (pwqe->iocb_flag & LPFC_IO_NVME_LS) {
@@ -18906,10 +18914,12 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number,
}
bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com,
pwqe->sli4_xritag);
- if (lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe)) {
+ ret = lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe);
+ if (ret) {
spin_unlock_irqrestore(&pring->ring_lock, iflags);
- return WQE_ERROR;
+ return ret;
}
+
lpfc_sli_ringtxcmpl_put(phba, pring, pwqe);
spin_unlock_irqrestore(&pring->ring_lock, iflags);
return 0;
@@ -18924,9 +18934,10 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number,
wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx];
bf_set(wqe_cqid, &wqe->generic.wqe_com,
phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id);
- if (lpfc_sli4_wq_put(wq, wqe)) {
+ ret = lpfc_sli4_wq_put(wq, wqe);
+ if (ret) {
spin_unlock_irqrestore(&pring->ring_lock, iflags);
- return WQE_ERROR;
+ return ret;
}
lpfc_sli_ringtxcmpl_put(phba, pring, pwqe);
spin_unlock_irqrestore(&pring->ring_lock, iflags);
@@ -18950,9 +18961,10 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number,
wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx];
bf_set(wqe_cqid, &wqe->generic.wqe_com,
phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id);
- if (lpfc_sli4_wq_put(wq, wqe)) {
+ ret = lpfc_sli4_wq_put(wq, wqe);
+ if (ret) {
spin_unlock_irqrestore(&pring->ring_lock, iflags);
- return WQE_ERROR;
+ return ret;
}
lpfc_sli_ringtxcmpl_put(phba, pring, pwqe);
spin_unlock_irqrestore(&pring->ring_lock, iflags);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.